The best bike disc brake rotors match your hub, brake system, and riding demands; my best overall pick is the Shimano RT-CL800 for riders whose wheels use Center Lock. The SRAM HS2 is a stronger match for riders prioritizing heat management, while the Magura MDR-P 203 mm suits compatible setups that need a larger rotor. The main tradeoffs are fit and compatibility, rotor size and braking feel, and whether a branded single rotor or a multi-rotor bundle better suits your needs. A larger rotor can improve leverage and heat handling, but only if your fork, frame, caliper, and brake maker allow it. Read on for how all 15 options compare and which type of rider each one suits.
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Key Takeaways
- Mount style narrows the field first: Shimano RT-CL800 and RT-CL900 are Center Lock options, while most other picks here use six-bolt or six-hole mounts.
- Rotor size changes the use case: the 140 mm and 160 mm options prioritize fit with existing setups; 180 mm and 203 mm models suit bikes and riding conditions approved for larger rotors.
- Branded designs serve more specific needs: SRAM HS2, SRAM Centerline X, and Magura MDR-P options offer more purpose-led choices than the generic stainless-steel bundles.
- Bundles trade specialization for coverage: the two-rotor packs from YHLOJIX, CYSKY, and other listings can suit a paired replacement, but buyers should confirm both rotors match their wheels and brakes.
- Included hardware is not a compatibility guarantee: bolts and tools may simplify installation, yet the rotor still has to match the hub mount, caliper, pad material, and manufacturer limits.
| 140 mm Bicycle Disc Brake Rotor with 6-Bolt Mount |  | Best for Compact Rotor Replacements | Brand: Fyntave | Diameter: 140 mm | Material: Listed as stainless steel and carbon steel | VIEW LATEST PRICE | See Our Full Breakdown |
| IIIPRO AR14 6-Bolt Stainless Steel Bike Disc Brake Rotor, 180 mm |  | Best for a Single 180 mm Replacement | Brand: IIIPRO | Model: AR14 | Diameter: 180 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| Bicycle Disc Brake Rotors with 12 Bolts, 160 mm, 2-Pack |  | Best for a Two-Rotor 160 mm Refresh | Quantity: Two rotors | Rotor diameter: 160 mm | Thickness: 1.8 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| Shimano RT-CL800 Center Lock Disc Brake Rotor, 160 mm |  | Best for Shimano Road and Gravel Setups | Attachment type: Flat center lock | Diameter: 160 mm (title); product data also lists 140 mm | Material: Steel and aluminum | VIEW LATEST PRICE | See Our Full Breakdown |
| 2-Pack 160 mm Stainless Steel Bike Disc Brake Rotors |  | Best for a Thicker 160 mm Pair | Quantity: Two rotors | Rotor diameter: 160 mm | Thickness: 2 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| YHLOJIX 180 mm Stainless Steel Bike Disc Brake Rotors, 2-Pack with 6-Bolt Hardware and T25 Torx Tool |  | Best Two-Rotor Kit | Brand: YHLOJIX | Material: Stainless steel | Rotor diameter: 180 mm (7.09 inches) | VIEW LATEST PRICE | See Our Full Breakdown |
| SRAM HS2 Disc Brake Rotor, 180 mm, 6-Bolt, Rounded, Silver/Black |  | Best for Trail Heat Management | Brand: SRAM | Model: HS2 | Rotor diameter: 180 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| SRAM Centerline X Disc Brake Rotor, 180 mm, 6-Bolt |  | Best for Easy Wheel Installation | Brand: SRAM | Rotor diameter: 180 mm | Mounting: 6-bolt, compatible with ISO 6B hubs | VIEW LATEST PRICE | See Our Full Breakdown |
| Magura MDR-P E-Bike Brake Disc, 180 mm, 6-Hole |  | Best for Magura E-Bike Setups | Brand: Magura | Model number: 525174051 | Diameter: 180 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| BUCKLOS Mountain Bike Disc Brake Rotor |  | Best for Diameter Choice | Brand: BUCKLOS | Material: Stainless steel | Thickness: 1.8 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| Teyssor 160 mm Bicycle Disc Brake Rotor with 6 Bolts |  | Best for a Straightforward Replacement | Brand: Teyssor | Outside diameter: 160 mm | Center distance: 44 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| Shimano RT-CL900 Bicycle Disc Brake Rotor with External Serration Lock Ring (160 mm) |  | Best for Quiet, Heat-Managed Braking | Brand and model: Shimano RT-CL900 | Size: 160 mm | Compatibility: Shimano Center Lock hubs | VIEW LATEST PRICE | See Our Full Breakdown |
| IIIPRO PN28 6-Bolt Bike Disc Brake Rotor, 160 mm |  | Best Lightweight 6-Bolt Option | Brand and model: IIIPRO PN28 | Material: Stainless steel | Thickness: 1.8 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| Magura MDR-P Disc Brake Rotor, 203 mm, Silver |  | Best for Heavy E-Bike Loads | Model: 2701938 | Rotor type: Disc brake rotor | Diameter: 203 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| CYSKY 180 mm Stainless Steel Bike Disc Brake Rotors, 2-Pack |  | Best Two-Rotor Replacement Set | Brand: CYSKY | Quantity: 2 rotors | Rotor diameter: 180 mm | VIEW LATEST PRICE | See Our Full Breakdown |
| bike disc brake rotor | Brand | Material | Thickness | Weight |
|---|---|---|---|---|
| 140 mm Bicycle Disc Brake Roto | Fyntave | Listed as stainless steel and carbon steel | 1.8 mm | 133 g |
| IIIPRO AR14 6-Bolt Stainless S | IIIPRO | Stainless steel | — | 5.92 ounces |
| Bicycle Disc Brake Rotors with | — | — | 1.8 mm | — |
| Shimano RT-CL800 Center Lock D | — | Steel and aluminum | — | 7.2 ounces |
| 2-Pack 160 mm Stainless Steel | — | Stainless steel | 2 mm | 110 g each |
| YHLOJIX 180 mm Stainless Steel | YHLOJIX | Stainless steel | — | — |
| SRAM HS2 Disc Brake Rotor | SRAM | — | 2 mm | — |
| SRAM Centerline X Disc Brake R | SRAM | Steel | — | 50 g |
| Magura MDR-P E-Bike Brake Disc | Magura | — | — | — |
| BUCKLOS Mountain Bike Disc Bra | BUCKLOS | Stainless steel | 1.8 mm | — |
| Teyssor 160 mm Bicycle Disc Br | Teyssor | — | 1.9 mm | 122 g |
| Shimano RT-CL900 Bicycle Disc | — | — | — | 7.2 ounces |
| IIIPRO PN28 6-Bolt Bike Disc B | — | Stainless steel | 1.8 mm | 4.16 ounces |
| Magura MDR-P Disc Brake Rotor | — | — | — | — |
| CYSKY 180 mm Stainless Steel B | CYSKY | SUS410 stainless steel | 1.9 mm | — |
More Details on Our Top Picks
140 mm Bicycle Disc Brake Rotor with 6-Bolt Mount
The Fyntave 140 mm rotor suits a bike already set up for this smaller rotor size, where preserving existing clearance and fit matters more than gaining braking leverage from a larger disc. Its 6-bolt mount and included screws make it a straightforward candidate for a compatible hub, while the ventilated layout is intended to help release heat. Compared with the IIIPRO AR14 180 mm rotor, this model is smaller and should not be treated as an upgrade for greater braking leverage; the right diameter depends on the bike and brake setup. There is also an unusual specification caveat: the material is listed as both stainless steel and carbon steel. I’d verify the exact fit and material details before buying, especially for a replacement where dimensions must match.
Pros:- 140 mm diameter for setups designed around that rotor size
- 6-bolt mounting format with six screws included
- Ventilated design is intended to help dissipate heat
- Listed for bicycles and electric scooters
Cons:- Material listing conflicts between stainless steel and carbon steel
- Fit and dimensions need checking before installation
- Smaller diameter offers less leverage than the 180 mm IIIPRO AR14
Best for: Riders replacing a 140 mm rotor on a compatible 6-bolt bicycle or electric scooter who want mounting screws included.
Not ideal for: Riders seeking a larger rotor for added braking leverage, or anyone who cannot confirm the rotor’s dimensions and material before purchase.
- Brand:Fyntave
- Diameter:140 mm
- Material:Listed as stainless steel and carbon steel
- Thickness:1.8 mm
- Weight:133 g
- Mounting:6-bolt
- Included components:Rotor and six screws
- Warranty:90 days
Our verdict“Choose this for a confirmed 140 mm replacement on a compatible 6-bolt setup, after checking the material and measurements.”
IIIPRO AR14 6-Bolt Stainless Steel Bike Disc Brake Rotor, 180 mm
The IIIPRO AR14 is a practical pick when a bike calls for one 180 mm rotor and uses a 6-bolt hub. Its vented stainless steel design aims to move heat away during braking, and the package includes six mounting bolts. Unlike the Fyntave 140 mm rotor, the AR14’s larger diameter can provide more braking leverage, but only if the frame, fork, caliper clearance, and adapter support that size. It also differs from the two-rotor sets in this roundup: it replaces one end of the bike rather than supplying a matched pair. The stated applications are broad, spanning MTB, road, gravel, and e-bike use, though compatibility still depends on the specific brake setup.
Pros:- 180 mm diameter for compatible larger-rotor setups
- Vented stainless steel construction
- Six mounting bolts included
- Listed for MTB, road, gravel, and e-bike applications
Cons:- Only one rotor is included
- Requires a 6-bolt hub
- Frame, fork, caliper clearance, and adapter compatibility must be checked
Best for: Riders replacing a single 180 mm rotor on a compatible 6-bolt MTB, gravel, road, or e-bike setup.
Not ideal for: Riders who need a pair of rotors, use a center-lock hub, or have not confirmed 180 mm clearance and adapter fit.
- Brand:IIIPRO
- Model:AR14
- Diameter:180 mm
- Material:Stainless steel
- Mounting:6-bolt
- Weight:5.92 ounces
- Included components:One rotor and six mounting bolts
- Warranty:1 year
Our verdict“Pick the AR14 for a single 180 mm replacement when your bike’s 6-bolt mount and brake clearances are confirmed.”
Bicycle Disc Brake Rotors with 12 Bolts, 160 mm, 2-Pack
This 160 mm two-pack is aimed at riders replacing both rotors at once, with 12 screws included for the pair. The circular holes are intended to help with ventilation and mud drainage, a useful design goal for varied riding conditions. Compared with the 2-Pack 160 mm Stainless Steel Bike Disc Brake Rotors, this set lists a 1.8 mm thickness and vacuum coating, while the other pair lists 2 mm thickness and stainless steel; the available details do not establish which is the better match for a particular brake. The main concern is fitment: the product data gives a 44 mm center-hole distance but does not clearly identify the mounting standard. I’d confirm the bolt pattern and rotor requirements before ordering.
Pros:- Two 160 mm rotors supplied as a pair
- Twelve mounting screws included
- Circular-hole design intended to support ventilation and mud drainage
- Listed for mountain, road, gravel, cross-country, and commuter bikes
Cons:- Mounting standard is not identified in the product details
- Fitment guidance is limited
- 1.8 mm thickness may not match every bike’s specified rotor
Best for: Riders refreshing both rotors on a disc-brake bike who can confirm the mounting pattern and need a 160 mm pair.
Not ideal for: Buyers who need a clearly specified mount standard or detailed compatibility guidance before selecting replacement rotors.
- Quantity:Two rotors
- Rotor diameter:160 mm
- Thickness:1.8 mm
- Center hole distance:44 mm
- Included hardware:12 screws
- Coating:Vacuum coating
- Design:Circular holes intended for ventilation and mud drainage
- Listed compatibility:Disc-brake mountain, road, gravel, cross-country, and commuter bikes
Our verdict“Consider this pair for a coordinated 160 mm replacement only after confirming its mount pattern and thickness suit your brakes.”
Shimano RT-CL800 Center Lock Disc Brake Rotor, 160 mm
The Shimano RT-CL800 stands apart from the bolt-on options here through its center lock attachment and Ice Technologies Freeza construction, which is designed to manage heat. That makes it a focused choice for compatible Shimano road and gravel builds where quiet, consistent braking is a priority. Compared with the IIIPRO AR14, which uses a 6-bolt mount and is listed across several bike types, this rotor requires a center-lock hub and a compatible braking setup. The provided compatibility detail names Shimano GRX 11-speed, so I would not assume it suits every Shimano or non-Shimano configuration. Its included lockring supports installation, but the buyer still needs to check the hub, rotor size, and brake system match before choosing it.
Pros:- Center-lock attachment supports quick installation on compatible hubs
- Ice Technologies Freeza construction is designed to dissipate heat
- Steel and aluminum construction
- Lockring included
Cons:- Requires a center-lock hub
- Stated compatibility is specific to Shimano GRX 11-speed
- Product data lists both 140 mm and 160 mm options, so exact size should be confirmed
Best for: Road and gravel riders with a compatible center-lock hub and Shimano GRX 11-speed setup seeking a heat-management focused rotor.
Not ideal for: Riders with 6-bolt hubs or brake setups outside the stated Shimano GRX 11-speed compatibility who cannot verify a match.
- Attachment type:Flat center lock
- Diameter:160 mm (title); product data also lists 140 mm
- Material:Steel and aluminum
- Compatibility:Shimano GRX 11-speed listed
- Included components:One rotor and one lockring
- Weight:7.2 ounces
- Manufacturer part number:IRTCL800SI
Our verdict“Choose the RT-CL800 for a compatible Shimano road or gravel setup with a center-lock hub and verified 160 mm fit.”
2-Pack 160 mm Stainless Steel Bike Disc Brake Rotors
For riders who need two 160 mm rotors, this set’s clearest distinction is its stated 2 mm thickness and stainless steel construction. Each rotor weighs 110 g, and ventilation holes are intended to help dissipate heat. That makes it an alternative to the 160 mm two-pack from B0DPQDV2NK, which lists a thinner 1.8 mm rotor and a vacuum coating. Neither difference alone establishes a better fit: the replacement must match the bike’s specified diameter, thickness, and mounting arrangement. The listing names six fixing bolts for two rotors, so check the hardware count against your installation needs. Buyers should also confirm that their bike uses 160 mm rotors, since this set is described for that size.
Pros:- Two stainless steel rotors included
- 2 mm listed thickness
- Ventilation holes are intended to help dissipate heat
- 110 g per rotor
Cons:- Limited to setups that use 160 mm rotors
- Only six fixing bolts are listed for the two-rotor set
- Mounting standard is not specified in the supplied details
Best for: Road, mountain, MTB, or BMX riders replacing a pair of 160 mm rotors who need a listed 2 mm thickness and stainless steel construction.
Not ideal for: Riders whose brakes specify a different rotor diameter or thickness, or who require mounting hardware beyond the six included bolts.
- Quantity:Two rotors
- Rotor diameter:160 mm
- Thickness:2 mm
- Inner diameter:44 mm
- Weight:110 g each
- Material:Stainless steel
- Included hardware:Six fixing bolts
- Listed compatible bikes:Road bike, mountain bike, MTB, BMX
Our verdict“Pick this pair when your bike calls for 160 mm by 2 mm rotors and the mount pattern matches.”
YHLOJIX 180 mm Stainless Steel Bike Disc Brake Rotors, 2-Pack with 6-Bolt Hardware and T25 Torx Tool
The YHLOJIX two-pack suits riders replacing both rotors who want the mounting hardware and tool in the same kit. Its 180 mm stainless steel discs have ventilation holes intended to help dissipate heat, while the included screws and T25 wrench make the package more complete than the single-rotor SRAM Centerline X. That convenience comes with a fit constraint: these rotors require a compatible 6-bolt hub with a 44 mm bolt circle, so check the wheel before buying. The product data lists broad bike-type compatibility, but it does not provide the heat-management details or braking design features specified for the mountain-focused SRAM HS2. I’d pick YHLOJIX for a straightforward pair replacement; riders seeking a rotor engineered around trail braking should compare the HS2.
Pros:- Two 180 mm rotors cover a front-and-rear replacement
- Stainless steel construction is corrosion resistant
- Ventilation holes are designed to aid heat dissipation
- Includes six screws and a T25 Torx wrench
Cons:- Requires a 6-bolt hub with a 44 mm bolt circle
- The pair may be unnecessary for a single-rotor repair
- Product details do not specify a rotor thickness
Best for: Riders replacing rotors on both wheels who have compatible 180 mm, 6-bolt hubs and want screws and a T25 wrench included.
Not ideal for: Owners of center-lock wheels or riders who need a single replacement rotor rather than a pair.
- Brand:YHLOJIX
- Material:Stainless steel
- Rotor diameter:180 mm (7.09 inches)
- Quantity:2 rotors
- Mounting:6-bolt
- Bolt circle diameter:44 mm
- Included components:2 rotors, 6 screws, T25 Torx wrench
- Manufacturer warranty:6 months
Our verdict“Choose this kit for a two-wheel rotor replacement when your hubs match its 6-bolt, 44 mm pattern.”
SRAM HS2 Disc Brake Rotor, 180 mm, 6-Bolt, Rounded, Silver/Black
The SRAM HS2 is the mountain-bike pick for riders who prioritize heat management and controlled braking over an all-purpose rotor. Its 2 mm thickness, patterned brake track, recessed spokes, and thermal-dissipating paint are designed to support pad traction, reduce braking noise, and maintain consistent control on trails. That purpose-built approach gives it a clearer trail focus than the broadly listed YHLOJIX 180 mm two-pack, whose description mentions ventilation holes but not the same braking features. The HS2 is a single rotor, though, so it is less convenient for replacing both ends at once. It also requires a 6-bolt wheel and is specified for mountain biking; commuters or road riders looking for a general-purpose replacement may find the SRAM Centerline X a better fit.
Pros:- 2 mm thickness is designed to improve heat management
- Brake track pattern is intended to increase pad traction
- Recessed spokes and thermal-dissipating paint are designed for quieter, consistent braking
- Compatible with all pad compounds
Cons:- Mountain-bike focus may not suit riders seeking an all-purpose rotor
- Single rotor purchase does not cover both wheels
- Requires a compatible 6-bolt mount
Best for: Mountain bikers with 180 mm, 6-bolt setups who want a rotor designed for heat management and quieter trail braking.
Not ideal for: Road or commuter riders seeking a broadly positioned rotor, or anyone whose wheel uses center lock.
- Brand:SRAM
- Model:HS2
- Rotor diameter:180 mm
- Thickness:2 mm
- Mounting:6-bolt
- Shape:Rounded
- Color:Silver/Black
- Intended use:Mountain biking
- Pad compatibility:All pad compounds
Our verdict“Pick the HS2 for a mountain bike where its thicker design and trail-focused braking features match your priorities.”
SRAM Centerline X Disc Brake Rotor, 180 mm, 6-Bolt
The SRAM Centerline X is a practical single-rotor choice for riders who often remove wheels or want a rounded edge that eases installation. It fits ISO 6-bolt hubs, works with all pad compounds, and includes steel mounting bolts, making the core fit and hardware details clear. Compared with the trail-oriented SRAM HS2, the Centerline X listing does not emphasize a 2 mm disc or heat-management features; its appeal is the rounded edge and straightforward compatibility. Its 50 g listed weight may appeal to weight-conscious buyers, but the product data does not explain how that weight affects braking or durability. This is one rotor, so replacing both wheels calls for another. Skip it if your wheel is center lock or if heat-management features are your main buying criterion.
Pros:- Rounded edges are designed to make wheel installation easier
- Compatible with all pad compounds
- Steel mounting bolts are included
- Listed weight is 50 g
Cons:- Requires an ISO 6-bolt hub
- One rotor is included, so a pair replacement needs another
- The product data does not specify thickness or heat-management features
Best for: Riders with ISO 6-bolt wheels who want a single 180 mm rotor with rounded edges for easier wheel installation.
Not ideal for: Riders with center-lock hubs or mountain bikers specifically seeking the HS2’s stated heat-management features.
- Brand:SRAM
- Rotor diameter:180 mm
- Mounting:6-bolt, compatible with ISO 6B hubs
- Material:Steel
- Edge design:Rounded
- Color:Silver/Black
- Weight:50 g
- Included components:Brake disc and steel mounting bolts
- Pad compatibility:All pad compounds
Our verdict“Choose the Centerline X if your 6-bolt wheel fit is confirmed and rounded edges matter more than trail-focused heat features.”
Magura MDR-P E-Bike Brake Disc, 180 mm, 6-Hole
The Magura MDR-P is the most targeted option here: it is optimized for e-bikes and listed as compatible with the Magura MT family. That makes it a more natural match for those brakes than the general-use SRAM Centerline X, whose data instead highlights all-pad compatibility and a 50 g weight. This Magura rotor also includes six mounting screws, but its product information does not give a thickness or describe specific heat-management features, so buyers have less technical detail to compare with the trail-focused SRAM HS2. Fit is the main limitation: it uses a 6-hole mount and must not be used with a center-lock adapter. At 9.6 ounces, it is also a listed single-rotor unit, which may matter to riders planning a pair replacement.
Pros:- Optimized for e-bike use
- Listed as compatible with the Magura MT family
- Six mounting screws are included
- 180 mm diameter suits setups configured for that rotor size
Cons:- Must not be used with a center-lock adapter
- Compatibility is specifically listed for the Magura MT family
- Product data does not state thickness or specific heat-management features
Best for: E-bike owners using compatible Magura MT brakes and a 6-hole hub who want a rotor specified for that system.
Not ideal for: Riders with center-lock wheels, non-Magura brake systems, or those who need two rotors in one purchase.
- Brand:Magura
- Model number:525174051
- Diameter:180 mm
- Mount:6-hole
- Compatibility:Magura MT family
- Material type:MDR
- Finish:Black/Silver
- Item weight:9.6 ounces
- Included components:Brake disc and 6 mounting screws
Our verdict“Choose this rotor for a compatible Magura MT e-bike setup with a 6-hole hub and confirmed 180 mm clearance.”
BUCKLOS Mountain Bike Disc Brake Rotor
The BUCKLOS rotor stands out for offering four diameter options: 140, 160, 180, and 203 mm. That range makes it easier to match a replacement to an existing setup than the fixed-size SRAM Centerline X or the 180 mm SRAM HS2. Its 1.8 mm stainless steel disc has a vented design intended to limit heat-related deformation, giving buyers a stated construction detail absent from the Centerline X listing. The tradeoff is that the supplied product data does not say which diameter is selected or detail caliper and frame fit; those need checking before purchase. It is also 6-bolt only. Riders wanting a ready-to-use pair and tool may prefer the YHLOJIX two-pack, while BUCKLOS makes more sense when diameter choice is the deciding factor.
Pros:- Available in four listed diameters
- Stainless steel construction is described as wear resistant
- Vented design is intended to reduce heat buildup
- 1.8 mm thickness is specified
Cons:- Compatibility with specific calipers and frames may vary
- The chosen diameter must match the existing setup
- Product data does not specify included mounting hardware
Best for: Mountain bike owners replacing one rotor who need to choose among 140, 160, 180, or 203 mm sizes for an existing 6-bolt setup.
Not ideal for: Buyers who need a pair, included mounting hardware, or clear confirmation of compatibility with their caliper and frame.
- Brand:BUCKLOS
- Material:Stainless steel
- Thickness:1.8 mm
- Available diameters:140 mm, 160 mm, 180 mm, 203 mm
- Mounting:6-bolt
- Design:Vented
Our verdict“Pick BUCKLOS when you need diameter flexibility and can confirm the selected rotor fits your 6-bolt brake setup.”
Teyssor 160 mm Bicycle Disc Brake Rotor with 6 Bolts
The Teyssor is a practical replacement pick for riders who need a 160 mm, six-bolt rotor and want the mounting screws included. Its listed 1.9 mm thickness and 122 g weight give buyers concrete dimensions to check against their current setup. Compared with the IIIPRO PN28, which offers a thinner 1.8 mm track and hollow cutouts, the Teyssor emphasizes a familiar spec and broad stated bike compatibility over weight-saving design details. The main tradeoff is limited product information: the listing says 160 mm despite mentioning multiple sizes, so I would verify the exact rotor before ordering. It also fits only compatible six-bolt hubs, and broad compatibility claims do not replace checking the bike and brake maker’s requirements.
Pros:- Six mounting screws are included
- Listed 160 mm diameter, 44 mm center distance, and 1.9 mm thickness help with fit checks
- Stated compatibility covers road, mountain, BMX, and MTB bikes
Cons:- Listing’s multiple-size wording conflicts with its specified 160 mm size
- No material or heat-management details are provided
- Requires a compatible six-bolt hub
Best for: Riders replacing a worn 160 mm rotor on a compatible six-bolt road, mountain, BMX, or MTB setup who want screws included.
Not ideal for: Riders with Center Lock hubs, or anyone whose setup needs a different rotor diameter or thickness.
- Brand:Teyssor
- Outside diameter:160 mm
- Center distance:44 mm
- Thickness:1.9 mm
- Weight:122 g
- Included:1 rotor and 6 screws
- Compatibility:Road bikes, mountain bikes, BMX bikes, MTB
Our verdict“Choose the Teyssor for a basic 160 mm six-bolt replacement when its listed dimensions match your current rotor.”
Shimano RT-CL900 Bicycle Disc Brake Rotor with External Serration Lock Ring (160 mm)
The Shimano RT-CL900 is the strongest fit here for riders prioritizing quiet, consistent braking on long descents. Its revised arm shape and heat-dissipating paint are intended to manage heat, while the included external serration lock ring makes it a ready option for a Shimano Center Lock hub. That gives it a different appeal from the six-bolt IIIPRO PN28, which includes mounting bolts but cannot fit Center Lock hubs without an adapter. The tradeoff is fit specificity: the RT-CL900 does not suit six-bolt wheels, and its premium heat-focused design may be more than a casual rider needs for short, flat routes. The listed 160 mm size is one of several available diameters, so the bike’s approved rotor size still matters.
Pros:- Designed to reduce braking noise
- Heat-dissipating paint and revised arm shape target consistent braking on long descents
- External serration lock ring is included
- Available in 140 mm, 160 mm, 180 mm, and 203 mm diameters
Cons:- Fits Shimano Center Lock hubs only
- Heat-management features may be unnecessary for riders on short, flat routes
- Diameter must match the bike and brake specifications
Best for: Road, gravel, or mountain riders with Shimano Center Lock hubs who make long descents and want a rotor designed for noise control and heat management.
Not ideal for: Riders with six-bolt hubs, or those whose bikes are specified for a different rotor diameter.
- Brand and model:Shimano RT-CL900
- Size:160 mm
- Compatibility:Shimano Center Lock hubs
- Lock ring:External serration; included
- Weight:7.2 ounces
- Available diameters:140 mm, 160 mm, 180 mm, 203 mm
- Warranty:2 years against defects
Our verdict“Pick the RT-CL900 if your hub is Shimano Center Lock and quiet, heat-managed braking matters on sustained descents.”
IIIPRO PN28 6-Bolt Bike Disc Brake Rotor, 160 mm
The IIIPRO PN28 stands out among the six-bolt choices for riders who want a hollow, one-piece stainless steel design and multiple diameter options. Its 1.8 mm braking track is thinner than the Teyssor’s listed 1.9 mm thickness, while the cutouts reduce material and allow airflow. Six mounting bolts are included, and the stated compatibility with mechanical and hydraulic disc brakes makes it adaptable across compatible setups. Compared with the Shimano RT-CL900, the PN28 works with six-bolt hubs rather than Center Lock and does not list the same noise or long-descent heat-management features. Its tradeoffs are the need to confirm diameter and component fit, plus the lack of a listed rotor weight beyond the supplied 4.16-ounce figure. Center Lock hubs need an adapter.
Pros:- Hollow cutouts reduce material and allow airflow
- Compatible with mechanical and hydraulic disc brakes
- Six mounting bolts are included
- Available in 140 mm, 160 mm, 180 mm, and 203 mm diameters
Cons:- Center Lock hubs require an adapter
- Buyers must verify rotor diameter and component compatibility
- Listed 1.8 mm thickness may not match every brake system’s requirements
Best for: Riders with six-bolt wheels seeking a hollow stainless steel rotor in one of four listed diameters for a mechanical or hydraulic disc setup.
Not ideal for: Center Lock wheel owners who do not want an adapter, or riders whose setup requires a rotor thicker than the listed 1.8 mm.
- Brand and model:IIIPRO PN28
- Material:Stainless steel
- Thickness:1.8 mm
- Mounting:6-bolt, 44 mm pattern
- Available diameters:140 mm, 160 mm, 180 mm, 203 mm
- Weight:4.16 ounces
- Included components:One-piece rotor, six mounting bolts
- Warranty:1 year
Our verdict“Choose the PN28 if you need a hollow 6-bolt rotor with several size options and have confirmed the 1.8 mm track suits your brakes.”
Magura MDR-P Disc Brake Rotor, 203 mm, Silver
The Magura MDR-P is aimed at a specific job: handling heavy loads on e-bikes. Its Dovetail Interlink Technology connects the outer and inner rings, and the design is described as heat resistant and stable under demanding braking. The 203 mm diameter also sets it apart from the 160 mm Shimano RT-CL900 and Teyssor, though a larger rotor only makes sense when the bike and brake system allow it. Compared with the IIIPRO PN28, which is a one-piece six-bolt design with several diameter choices, this Magura pick puts its emphasis on interlocking construction and e-bike use. Its listing provides less fit detail, including no mounting pattern, so buyers need to confirm hub and caliper compatibility. The international-version notice also makes checking fit and included instructions particularly relevant.
Pros:- Designed for braking under heavy loads
- Dovetail Interlink Technology joins the inner and outer rings
- Designed for heat resistance and stability
- 203 mm diameter suits compatible setups needing a larger rotor
Cons:- Listing specifies e-bike compatibility without giving a mounting pattern
- 203 mm size will not fit every frame, fork, or brake setup
- International version may differ in fit, labeling, or instructions
Best for: E-bike riders carrying heavier loads whose frame, fork, caliper, and hub are approved for a 203 mm Magura MDR-P rotor.
Not ideal for: Riders on non-e-bikes, or anyone unable to confirm the rotor’s mounting interface and 203 mm compatibility.
- Model:2701938
- Rotor type:Disc brake rotor
- Diameter:203 mm
- Color:Silver
- Technology:Dovetail Interlink Technology
- Compatibility:E-bikes
Our verdict“Consider the MDR-P for a compatible e-bike that needs a 203 mm rotor designed for demanding loads and heat.”
CYSKY 180 mm Stainless Steel Bike Disc Brake Rotors, 2-Pack
The CYSKY set makes the most sense when both wheels need fresh rotors: it supplies two 180 mm stainless steel discs and 12 screws in one package. The 1.9 mm thickness and 44 mm center distance give riders useful measurements for checking fit. Unlike the single 203 mm Magura MDR-P, which is aimed at heavy-load e-bike braking, this two-pack is a straightforward replacement option for compatible six-bolt road, mountain, BMX, or MTB setups. The cost of that convenience is less specialization: the listing does not describe advanced heat-management features, and the fixed 180 mm diameter may not suit a bike built around smaller rotors. Its model wording references multiple sizes, so I would confirm that the selected package contains 180 mm rotors before buying.
Pros:- Two rotors and 12 mounting screws are included
- SUS410 stainless steel construction
- Listed 1.9 mm thickness and 44 mm center distance support fit checks
- Stated compatibility includes road, mountain, BMX, and MTB bikes
Cons:- Requires compatible six-bolt mounts
- Fixed 180 mm size may not match the bike’s approved rotor diameter
- Multiple-size wording means buyers should verify the selected size
Best for: Riders replacing front and rear rotors together on a compatible six-bolt bike designed for 180 mm discs.
Not ideal for: Riders with Center Lock hubs, bikes specified for another rotor diameter, or e-bike riders seeking a purpose-built heavy-load rotor.
- Brand:CYSKY
- Quantity:2 rotors
- Rotor diameter:180 mm
- Center distance:44 mm
- Thickness:1.9 mm
- Material:SUS410 stainless steel
- Mounting pattern:6-bolt
- Included components:12 screws
- Warranty:1 year
Our verdict“Choose the CYSKY two-pack when both wheels need 180 mm six-bolt replacements and your bike’s specifications confirm the fit.”
How We Picked
I ranked these rotors by how clearly each listing serves a buyer need and how much confidence its stated design, size, and mounting format give a buyer choosing a replacement. Compatibility came first: a rotor that cannot fit the hub or work within the bike and brake maker’s limits is not a useful recommendation, regardless of its other attributes. I then weighed intended use, rotor size, construction details stated in the product name, and practical extras such as included bolts or a tool.
The order gives priority to clearly specified options from established brake-system brands, with the Shimano RT-CL800 leading for its defined Center Lock format and the SRAM and Magura models serving distinct performance or e-bike use cases. Multi-rotor bundles and less-detailed listings rank lower because their value depends more heavily on confirming dimensions, fit, and finish before purchase. Product names alone do not establish measured stopping power, durability, or noise, so I avoid treating unstated performance claims as proven facts.
| bike disc brake rotor | Material |
|---|---|
| 140 mm Bicycle Disc Brake Roto | Listed as stainless steel and carbon steel |
| IIIPRO AR14 6-Bolt Stainless S | Stainless steel |
| Bicycle Disc Brake Rotors with | — |
| Shimano RT-CL800 Center Lock D | Steel and aluminum |
| 2-Pack 160 mm Stainless Steel | Stainless steel |
| YHLOJIX 180 mm Stainless Steel | Stainless steel |
| SRAM HS2 Disc Brake Rotor | — |
| SRAM Centerline X Disc Brake R | Steel |
| Magura MDR-P E-Bike Brake Disc | — |
| BUCKLOS Mountain Bike Disc Bra | Stainless steel |
| Teyssor 160 mm Bicycle Disc Br | — |
| Shimano RT-CL900 Bicycle Disc | — |
| IIIPRO PN28 6-Bolt Bike Disc B | Stainless steel |
| Magura MDR-P Disc Brake Rotor | — |
| CYSKY 180 mm Stainless Steel B | SUS410 stainless steel |
Factors to Consider When Choosing Best Bike Disc Brake Rotors
Before choosing a rotor, I would work through compatibility and intended use in order. These checks often matter more than the brand name or the number of rotors in a package.
Match the Hub Mount Before Comparing Models
Start by checking whether your wheel uses Center Lock or a six-bolt interface; they are different attachment systems and are not interchangeable without the right hub or adapter. Center Lock rotors such as the Shimano RT-CL800 and RT-CL900 need a compatible hub and lock ring. Six-bolt models attach with six rotor bolts, though bolt pattern and installation instructions still matter. Count the fasteners on your existing rotor and check the hub documentation if the interface is unclear. Do not assume an included bolt pack changes the mount type. When replacing one rotor, matching the existing format is usually the simplest path.
Choose Diameter Within the Bike Maker’s Limits
A larger diameter can increase braking leverage and help manage heat, which can matter on long descents, heavier bikes, or e-bikes. It also changes caliper position, so it may require a compatible adapter and approval from the fork and frame makers. Check the maximum rotor size for both ends of the bike before moving from 160 mm to 180 mm or 203 mm. A 140 mm rotor may be appropriate on a bike designed around that size, but it is not a general-purpose upgrade or downgrade. Front and rear rotors can differ, so verify each wheel separately. The right size is the largest one your complete setup permits and your brake system supports.
Check Rotor and Pad Compatibility Together
Rotor material and surface design must work with the brake pads specified for your calipers. A rotor that fits the hub can still be a poor match if its maker excludes your pad compound or brake model. Before buying, look up the brake maker’s compatibility guidance for the exact rotor and pad combination. If you replace a rotor after contamination or severe wear, inspect the pads too; contaminated pads can carry noise and weak braking onto a new disc. Avoid mixing a new rotor with pads whose condition or compatibility is uncertain. This check is especially useful when choosing a less-detailed generic listing.
Decide Whether You Need One Rotor or a Pair
A two-pack can make sense when both wheels need replacement, but package quantity should not drive the choice by itself. Confirm that each rotor has the right diameter and mounting format for its intended wheel. Some bikes use different sizes front and rear, making a same-size pair unsuitable. A bundle may include bolts or a T25 tool, yet those extras do not confirm compatibility with your hub or brake system. If only one disc is worn or damaged, buying a single matching rotor can avoid storing an unnecessary spare. Compare the complete specifications against both wheels before selecting a kit.
Pay for a Defined Design When the Use Case Calls for It
Branded options such as SRAM HS2, SRAM Centerline X, and Magura MDR-P have clearer intended roles than listings that provide little beyond size and stainless-steel construction. That can make them easier to evaluate against a known brake system or riding need. A more specialized design is worth considering when your brake maker recommends it or your use puts sustained demands on the rotor. For ordinary replacement, a compatible, well-specified rotor may be a more sensible fit than a model chosen for features your setup cannot use. Product names alone do not prove one rotor will stop better in every bike. Check technical documentation and compatibility tables before paying for a specific design.
Treat Installation Details as Part of the Fit
Rotor installation affects alignment and secure attachment, so use the fasteners and procedure specified for the hub and rotor. Six-bolt designs require correct bolt tightening, while Center Lock designs need the matching lock ring and suitable tool. Included hardware may help, but confirm its thread, length, and compatibility rather than assuming every supplied bolt fits your hub. After installation, check that the disc runs without rubbing and that the caliper is aligned. Follow the brake maker’s bedding-in instructions so pads and rotor develop their intended contact surface. If you lack the correct tools or are unsure about the procedure, a qualified mechanic can check the setup.
Frequently Asked Questions
Can I replace a Center Lock rotor with a six-bolt rotor?
Not directly: the rotor mount must match the hub. A Center Lock hub accepts a Center Lock rotor and lock ring, while a six-bolt hub uses a rotor secured with six bolts. Some hubs support adapters, but that depends on the specific hub and can affect which rotor sizes are allowed. Check the hub maker’s guidance before buying an adapter. The Shimano RT-CL800 and RT-CL900 are Center Lock choices in this roundup; many of the other listed models use six-bolt formats.
Should I move from a 160 mm rotor to a 180 mm rotor?
A larger rotor can provide more leverage and help handle heat, but the change only makes sense if your fork, frame, caliper, and brake maker permit it. You may need a caliper adapter designed for the new diameter. Check the bike’s maximum rotor size and the brake system’s compatibility guidance at the wheel you plan to change. Also consider whether the existing rotor is already adequate for your riding; a larger disc can add weight and may not solve issues caused by worn pads or poor setup. Do not choose a 180 mm model solely because it is larger.
Is a two-pack a good choice if my front and rear rotors are different sizes?
Usually not if the pack contains two rotors of the same diameter and your bike uses different sizes front and rear. Check the measurements on both wheels before ordering, along with their mount formats. A pair can be convenient when both ends need the same size and compatible replacements. Otherwise, buying the correct individual rotors avoids paying for a disc that does not fit your setup. The two-pack listings here vary, so read each product’s full specifications rather than relying on the pack count in its title.
Do I need to replace the brake pads when installing a new rotor?
Not in every case, but pad condition and compatibility need a check. Worn pads may not bed in properly against a new rotor, and contaminated pads can carry noise or weak braking into the replacement. Follow the brake maker’s instructions for rotor and pad compatibility and for bedding in the new setup. If the old rotor was contaminated or the pads show damage, replacing the pads can be the safer way to restore consistent contact. A mechanic can inspect them if their condition is hard to judge.
Is a branded rotor worth choosing over a generic stainless-steel model?
A branded rotor can be easier to match to a known brake system because its intended use and compatibility information may be more clearly documented. That matters for specialized options such as the SRAM HS2 or Magura MDR-P, where the buyer may be selecting for a particular system or riding demand. A generic rotor can still suit a straightforward replacement if its size, mount, and pad compatibility are clearly confirmed. Compare specifications and manufacturer guidance rather than assuming a brand name guarantees a better result. If a listing omits key details, that uncertainty is a reason to choose a better-documented option.
Conclusion
For the best overall pick in a compatible Center Lock setup, I would start with the Shimano RT-CL800; the RT-CL900 is the other Shimano option when its specifications suit the same buyer. For a best value route, consider a clearly specified two-pack such as CYSKY or YHLOJIX only when both rotors match the bike. The best premium choices are the SRAM HS2, SRAM Centerline X, and Magura MDR-P models for riders seeking a branded, purpose-led option. Beginners are best served by a rotor that exactly matches the existing diameter and mount, with the Shimano Center Lock models or a well-specified six-bolt replacement as suitable starting points. For e-bike or larger-rotor needs, look at the Magura MDR-P options and confirm brake, frame, and fork approval first; the right choice is the one that fits the whole braking system.
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