Upgrading my bike with the right accessories and components can greatly enhance my riding experience. In 2025, I am interested in the Topeak TwinHead Upgrade Kit for easy pump adaptability, the Zacro Bike Seat Cushion for added comfort, and the Wittkop Bike Seat Waterproof Bicycle Seat for increased durability. For safety, I am looking into the Victoper Bike Light, Super Bright Bicycle Light Set, and the 8000 Lumens Bike Headlight for superior brightness. There are many other excellent options available, and I look forward to researching them further to discover the ideal upgrades for my bike.
Key Takeaways
- Verify bike compatibility with upgrade components to ensure proper fit and mounting options.
- Choose durable and high-quality materials, such as aluminum, steel, or carbon fiber, for a lasting upgrade.
- Consider technical specifications like wheel size and suspension type to suit your riding style and terrain.
- Research brand reputation and warranty policies to ensure reliable and long-lasting upgrades.
- Evaluate user feedback and expert recommendations to make informed upgrade decisions.
Topeak
Upgrading my ride with Topeak's TwinHead, a versatile and durable pump upgrade kit, has been a game-changer for cyclists like me who need a reliable and adaptable solution for Presta, Schrader, and Dunlop valves.
This innovative kit is designed to be a universal upgrade for any bike pump, ensuring that I can easily switch between different valve types without hassle. The TwinHead features a dual-head design that adjusts to fit various valve types, and its extra-long hose provides added convenience.
Made from high-quality aluminum and rubber materials, this kit is built to last and has received rave reviews from cyclists, with an impressive 4.2 out of 5-star rating from over 500 customers.
Best For: Cyclists who need a reliable and adaptable solution for Presta, Schrader, and Dunlop valves.
Pros:
- Provides adaptors for various pump bases, making it a universal upgrade for any bike pump
- Easy installation process and extends pump life
- High-quality materials ensure durability and longevity of the product
Cons:
- Some adaptors may not fit all pump models, limiting its compatibility
- Some users faced issues with hose durability, affecting its overall performance
- Limited PSI rating, which may not be suitable for all types of bikes or riding styles
Zacro Bike Seat Cushion
What sets the Zacro Bike Seat Cushion apart from the rest is its unparalleled comfort, thanks to its 1.65-inch thickened medical-grade gel and memory foam, making it an ideal choice for cyclists looking for superior comfort and support.
I'm impressed by its ergonomic design, which features a breathable, moisture-wicking fabric that keeps me cool and dry during long rides. The Velcro binding design guarantees a secure fit, and the waterproof and dustproof cover shields the cushion from the elements.
With a compact size that fits various bike types, this cushion is ideal for unisex adults. I value the included instructions and the one-year warranty, which demonstrates the manufacturer's confidence in their product.
All in all, the Zacro Bike Seat Cushion is a fantastic upgrade for any bike, offering instant relief and enhanced comfort during rides.
Best For: Cyclists of all levels who prioritize comfort and support during their rides.
Pros:
- Unparalleled comfort provided by 1.65-inch thickened medical-grade gel and memory foam
- Ergonomic design with breathable, moisture-wicking fabric for a cool and dry ride
- Adjustable Velcro secure mechanism for a snug fit on various bike types
Cons:
- No specific mention of weight capacity or recommended rider weight
- May not be suitable for extreme or aggressive riding styles
- Limited color options (only blue is mentioned)
Wittkop Bike Seat I Waterproof Bicycle Seat
If you're seeking a bike seat that prioritizes comfort and ergonomics, the Wittkop Bike Seat I Waterproof Bicycle Seat is an excellent choice, thanks to its high-quality memory foam and innovative 5-zone-concept design.
As someone who values a smooth ride, I appreciate the enhanced airflow system that keeps me cool and dry, even on long rides. The 100% waterproof pad is a bonus, ensuring I can ride in any weather condition. With its durable and stable design, I can tackle various terrains with confidence.
Measuring 10L x 8.5W x 3.2H inches and weighing 1.4 lb, this seat is suitable for both road and mountain bikes. As a rider, I appreciate the tradition of excellence that Wittkop has maintained since 1898.
Overall, the Wittkop Bike Seat I Waterproof Bicycle Seat is a great upgrade for anyone seeking comfort, ergonomics, and durability.
Best For: Cyclists who prioritize comfort, ergonomics, and durability, and are willing to invest in a high-quality bike seat for their road or mountain bike.
Pros:
- High-quality memory foam and innovative 5-zone-concept design provide excellent comfort and ergonomics
- Enhanced airflow system and 100% waterproof pad ensure a dry and comfortable ride in any weather condition
- Durable and stable design suitable for long rides and various terrains
Cons:
- No mention of a weight capacity limit, which may be a concern for heavier riders
- The seat may require occasional cleaning and maintenance to maintain its waterproof properties
- No adjustable features to accommodate different riding styles or preferences
Victoper Bike Light, Super Bright Bicycle Light Set
As I hit the roads at dawn or dusk, I need a reliable bike light that can cut through the darkness, and the Victoper Bike Light, with its staggering 8000 lumens and 8-light design, is the perfect companion for cyclists like me who prioritize safety and visibility.
This super bright bicycle light set boasts an impressive 5+5 mode design for both front and rear lights, ensuring I'm seen from all angles. The large 10,000 mAh battery capacity provides a power display, and the durable aluminum alloy construction with IPX5 waterproof rating means it can withstand any weather condition.
I appreciate the ease of installation and portability, making it a must-have accessory for any serious cyclist.
Best For: Cyclists who prioritize safety and visibility, especially those who ride in low-light conditions.
Pros:
- Super bright 8000 lumens output with 8-light design for enhanced visibility and safety
- Versatile 5+5 mode design for front and rear lights, suitable for different environments and scenarios
- Durable aluminum alloy construction with IPX5 waterproof rating and easy installation
Cons:
- Some users have reported concerns about battery life
- Limited feedback on the durability of the product over an extended period
- No specific information on the lifespan of the battery or the product as a whole
8000 Lumens Bike Headlight (LED Rechargeable Bike Lights)
For riders seeking unparalleled visibility and safety on the road, the 8000 Lumens Bike Headlight from BrightRoad stands out with its exceptional brightness, boasting an impressive 85° wide beam that illuminates up to 650 feet.
This LED rechargeable bike light is a game-changer, offering seven illumination modes to cater to various riding conditions. With a battery life of up to 20 hours, I appreciate the convenience of quick USB recharging.
The high-quality aluminum construction and IPX6 waterproof rating ensure durability and reliability. The package includes front and back bike lights, mounts, USB cables, and a manual, making it a great value for the price.
Best For: Cyclists who prioritize visibility and safety on the road, particularly those who ride in low-light conditions or at night.
Pros:
- Exceptional brightness with an 85° wide beam that illuminates up to 650 feet
- Long-lasting battery life of up to 20 hours with quick USB recharging
- Durable and waterproof construction with high-quality aluminum and IPX6 rating
Cons:
- Some users have reported issues with the rear lights and mounting for the headlight
- A few users have mentioned problems with charging
- Some users have reported mixed quality and performance
Mountain Bike Hydraulic Disc Brake Set
For riders seeking a reliable and efficient braking system, this Mountain Bike Hydraulic Disc Brake Set is an excellent upgrade option, designed to work seamlessly with disc brakes on 26', 27.5', and 29er bikes.
The set includes a pair of hydraulic bike brakes with oil tube lengths of 1450mm for the rear brake and 800mm for the front brake, making it easy to install on various bike sizes.
I'm impressed with its performance, providing efficient braking in different conditions, and its easy one-finger operation allows for immediate stopping.
Plus, the excellent stopping power has been tested on trails, giving me confidence in its ability to keep me safe.
Best For: Mountain bikers seeking a reliable and efficient braking system for their 26', 27.5', or 29er bikes.
Pros:
- Provides efficient braking in various conditions with excellent stopping power
- Easy one-finger operation allows for immediate stopping
- Good value for the price compared to other brands
Cons:
- Some users have reported a cheap feel and leaking caliper issues
- Not suitable for E-bikes due to lack of sensor
- May require exchange of tubes for left-right combination
100cc Bicycle Engine Kit for 26 28 Bicycles
I'm upgrading my ride with the 100cc Bicycle Engine Kit, which converts my regular 26 or 28-inch wheeled bike into a gasoline-powered motorcycle, perfect for those seeking a powerful and speedy cycling experience.
This kit is designed to fit most V-frame bikes and comes with an upgraded performance, thanks to its premium quality hex socket screws and bolts. The digital speedometer allows me to monitor my speed, which can reach up to 50km/h. I'm also impressed by its improved durability, making it suitable for long-distance riding.
Additionally, the kit is easy to assemble, even for those with basic hardware skills and tools. With a fuel economy of 3.8L/km, I can enjoy my ride without worrying about running out of fuel quickly.
Best For: Cyclists seeking a powerful and speedy cycling experience who want to upgrade their regular 26 or 28-inch wheeled bike into a gasoline-powered motorcycle.
Pros:
- Upgraded performance with premium quality hex socket screws and bolts
- Easy to assemble with basic hardware skills and tools
- Improved durability for long-distance riding
Cons:
- Some customers reported issues with the carburetor and engine performance
- Complaints about design flaws and missing components
- Mixed reviews regarding product quality and customer satisfaction
Upgraded 100cc Bicycle Engine Kit
If I'm looking to seriously upgrade my ride with a boost of power and efficiency, the Upgraded 100cc Bicycle Engine Kit is an attractive option, boasting an impressive 150 miles per gallon and a top speed of 48km/h.
This kit comes with a 100cc 2-stroke engine and a 36-tooth sprocket, ensuring a smooth ride. The double-strength mounting system with four bolts provides added safety and security.
While the installation process is relatively easy, some customers have reported issues with missing parts, like tensioner bearings and sprocket mounts. Additionally, there have been complaints about hardware quality and leaks.
Despite these concerns, many customers have praised the kit's performance and efficiency.
Best For: Cyclists looking to upgrade their ride with a powerful and fuel-efficient engine kit.
Pros:
- Super fuel-efficient with 150 miles per gallon and a top speed of 48km/h
- Easy installation with detailed instructions and a double-strength mounting system for added safety
- Upgraded tunable high-performance carburetor for cold weather starts
Cons:
- Some customers have reported issues with missing parts, such as tensioner bearings and sprocket mounts
- Complaints about hardware quality and leaks have been raised by some customers
- Defective items and inaccurate product descriptions have been reported by some customers
Zacro Bike Stand Floor for Indoor Storage
My search for a reliable indoor bike storage solution ends with the Zacro Bike Stand Floor. It fits an impressive 99% of bikes with tires up to 3.95' wide, making it an ideal choice for riders with diverse bike collections.
This sturdy stand boasts a stable structure with rubberized feet, ensuring my bike remains upright and secure. I appreciate that it's easy to assemble without drilling, and its high-strength steel with a powder-coated finish can support up to 100 pounds.
The adjustable design accommodates various tire sizes, and its compact dimensions make it perfect for indoor storage. With its ease of use, versatility, and lower price point, I'm confident this stand will keep my bike safe and organized.
Best For: Riders with diverse bike collections seeking a reliable and versatile indoor storage solution.
Pros:
- Easy to assemble and use, with a versatile design that accommodates various tire sizes and widths
- Sturdy and stable structure with rubberized feet, providing secure storage for bikes up to 100 pounds
- Portable, lightweight, and space-saving, making it perfect for indoor storage with minimal floor space
Cons:
- May not fit bikes with extremely wide tires (over 3.95' wide)
- Requires assembly, although all necessary parts and tools are included
- No specific features for locking or securing the bike to the stand, which may be a concern for some users
Upgraded 100cc Bicycle Engine Kit
For those looking for a significant power boost without compromising fuel efficiency, the upgraded 100cc bicycle engine kit is an ideal choice, offering a quiet operation with a noise level of around 75 decibels and a maximum speed of 45km/h.
This kit is designed to provide a seamless installation experience, coming with a detailed English manual and all necessary assembly accessories. The aluminum engine body, iron fuel tank, and chain guarantee a fuel-efficient ride, consuming only 2.5 liters of mixed fuel per 100 kilometers.
With a maximum load capacity of 200kg, this engine kit is suitable for riders of various weights. The package includes the engine kit, manual, and accessories, all neatly packed in a 42x42x20cm box.
Best For: Cyclists seeking a powerful and fuel-efficient engine kit for their bicycles, particularly those who prioritize quiet operation and a seamless installation experience.
Pros:
- Fuel-efficient design with a consumption rate of 2.5 liters per 100 kilometers
- Quiet operation with a noise level of around 75 decibels
- Complete kit with detailed English manual and all necessary assembly accessories for easy installation
Cons:
- Maximum speed limited to 45km/h
- Gross weight of 10.85kg may affect bicycle maneuverability
- Some customers may find the noise level of 75 decibels still too loud
2025 Super Bright Bike Lights for Night Riding
As I explore the world of bike lights, I'm excited to share my findings on the 2025 super bright bike lights that are perfect for night riding. Riders who frequently venture out at night will appreciate the unparalleled brightness and visibility offered by these 2025 super bright bike lights, designed to illuminate the path ahead like a beacon.
One standout product is the 2025 Super Bright Bike Lights for Night Riding, boasting an impressive 9500 lumens and a 360° rotating bracket. This light features 10 modes, including high, medium, and low light settings, as well as fast flash and SOS modes.
With a visible distance of up to 2000ft and a 180° wide angle, cyclists can ride with confidence in low-light conditions.
Best For: Night riders who need an extremely bright and reliable light to navigate through dark roads and trails.
Pros:
- Extremely bright with 9500 lumens and a 180° wide angle, providing excellent visibility in low-light conditions
- Long-lasting battery life of 36+ hours and USB rechargeable with a power indicator
- Durable and waterproof design with an aluminum alloy casing and IPX5 water resistance level
Cons:
- Flash mode can drain the battery quickly, requiring more frequent recharging
- No specific mentions of a warranty or dedicated customer support channel
- May be heavier or bulkier than other bike lights due to its high-capacity battery and robust design
Upgrade Bike Chain Splitter with Chain Cutter Tool
When it comes to upgrading my ride in 2025, a reliable bike chain splitter with a chain cutter tool is essential, and the A AKRAF bike chain splitter stands out with its smart design featuring a unique groove for easy pin positioning and chain removal.
This tool is designed for effortless removal and insertion of pins in various bicycle chains, making it a must-have for any bike enthusiast. The metal frame and rubber-coated grip provide comfortable handling, while the integrated chain hook securely holds links during assembly.
With its compact and portable design, I can take it with me wherever I go.
Overall, the A AKRAF bike chain splitter has received positive reviews from users, with an average rating of 4.0 out of 5 stars, and is a great value for its functionality and durability.
Best For: Bike enthusiasts and cyclists who need a reliable and portable tool for easy removal and insertion of pins in various bicycle chains.
Pros:
- Compact and portable design for convenient use
- Smart design with a unique groove for easy pin positioning and chain removal
- Comfortable handling with a metal frame and rubber-coated grip
Cons:
- Some users have reported that the tool broke after the first use
- May not be suitable for heavy-duty or commercial use
- Limited brand recognition and warranty information available
Titanker Bike Trailer Hitch for Schwinn
My top pick for seamlessly attaching a Schwinn trailer to my bike is the Titanker Bike Trailer Hitch, which boasts a multi-compatible design that fits almost all bikes and Schwinn/InStep brand trailers. This handy device is incredibly lightweight, weighing only 4.94 ounces, and can support a maximum weight of 5.6 ounces. With a seating capacity of one and a maximum height recommendation of one inch, it's perfect for carrying small cargo or a child. The hitch is easy to install, thanks to its portable design with vertical and horizontal holes, and comes with detailed instructions for reference.
I've been impressed by the positive reviews from customers, who rave about the hitch's ease of installation and compatibility with Schwinn trailers. Many users appreciate the product's sturdiness and safety features, as well as its versatility in fitting different bike frames.
While some users have reported mixed feedback regarding compatibility with specific trailer models, overall, the Titanker Bike Trailer Hitch is a reliable and convenient solution for attaching a Schwinn trailer to your bike.
Best For: Cyclists who need a reliable and easy-to-install bike trailer hitch for their Schwinn trailers.
Pros:
- Multi-compatible design fits almost all bikes and Schwinn/InStep brand trailers
- Lightweight and portable, with a weight of only 4.94 ounces
- Easy to install with vertical and horizontal holes, and comes with detailed instructions
Cons:
- Limited maximum weight capacity of 5.6 ounces
- Mixed feedback regarding compatibility with specific trailer models
- Maximum height recommendation is only 1 inch, which may not be suitable for all users
Sponeed Mens Cycling Shorts Padded Bicycle Riding Pants
For cyclists seeking comfort and protection on long rides, the Sponeed Mens Cycling Shorts Padded Bicycle Riding Pants are a top choice, offering exceptional quality and value with their upgraded green padding and moisture-wicking fabric.
I've found that these shorts are designed to provide maximum comfort during extended periods on the saddle, with a 4D gel pad strategically placed to reduce chafing and discomfort. The fabric feels ultra-soft and smooth against the skin, and the silicone leg grippers keep the shorts in place.
Plus, the quick-dry and breathable material makes them suitable for various cycling conditions. With reflective stripes for added visibility and a phone pocket for convenience, these shorts are a great investment for casual and moderate-distance riders.
Best For: Cyclists seeking comfort and protection on long rides, whether it's for road biking or mountain biking.
Pros:
- Offers great value and comfort for casual and moderate distance rides with its upgraded green padding and moisture-wicking fabric.
- Provides maximum comfort during extended periods on the saddle with its 4D gel pad and ultra-soft fabric.
- Features reflective stripes for added visibility and a phone pocket for convenience.
Cons:
- Sizing may run slightly smaller than the US standard, so sizing up may be necessary for a looser fit.
- Some instances of durability issues have been reported over a full season of use.
- May not be suitable for riders who prefer a very loose fit, as the compression can be quite snug.
Upgraded Bike Chain Oiler for Mountain Bike Road Bicycle Maintenance
As I upgrade my ride, I'm particular about the bike chain oiler, and this one stands out with its no-drip design that prevents oil leaks, making it an ideal choice for mountain bike and road bicycle enthusiasts like myself.
I appreciate the professional upgrade with a durable design, which guarantees easy use and wide compatibility. The high-quality sponges provide precise oil application, and it's great that it's compatible with most chain lube brands.
This upgraded bike chain oiler extends the bike chain lifespan, improves chain performance, and ensures even oil application, making it a convenient daily maintenance tool.
With a 100% Satisfaction Guarantee, 30-Day Money Back Guarantee, and 12-Month Warranty, I'm confident in my purchase.
Best For: Mountain bike and road bicycle enthusiasts who want a reliable and efficient bike chain oiler for daily maintenance.
Pros:
- No-drip design prevents oil leaks and messes
- High-quality sponges provide precise oil application for optimal chain performance
- Compatible with most chain lube brands and easy to use with wide compatibility
Cons:
- None mentioned by customers or in product description
- No specific mention of how to clean or maintain the oiler itself
- May not be suitable for extreme or heavy-duty bike use
Factors to Consider When Choosing a Bicycle for Upgrade

When I'm looking to upgrade my ride, I know I need to ponder several key factors to find the perfect bicycle.
First, I think about my budget and what I'm willing to spend, as well as the type of riding I'll be doing most often.
From there, I examine the bike's compatibility and fit, technical specs, and materials, and finally, I research the brand's reputation and warranty offerings.
Budget and Pricing Options
My budget range for the bike upgrade is a crucial factor to determine, as it will dictate the cost of components, accessories, and labor that I can afford. I need to research pricing options for different upgrade parts like seat cushions, lights, brakes, engine kits, and chain tools to stay within budget. Exploring various brands and models helps me find cost-effective solutions that meet my upgrade needs without overspending.
It's vital to prioritize my needs, focusing on the most critical upgrades that will make the most significant difference in my riding experience. By doing so, I can allocate my budget wisely and avoid breaking the bank.
I'm on the lookout for discounts, sales, or bundled deals on bike upgrades to maximize my budget. Comparing the value and quality of different upgrade options ensures I get the best return on my investment.
With a clear understanding of my budget and pricing options, I can make informed decisions and create a customized bike that suits my riding style and preferences.
Bicycle Type and Purpose
I'll select a bicycle type that aligns with my riding style and purpose, whether I'm cruising on paved roads, tackling rugged trails, or commuting to work, to guarantee the upgrades I select are tailored to my specific needs.
As I consider upgrading my ride, I'll think about the type of biking I do most often. Road bikes, for instance, are designed for speed and efficiency, so I might look for lighter components to boost my pace. On the other hand, mountain bikes are built for rugged terrain, so upgrades like sturdy wheels and suspension systems would be a priority. If I'm a commuter, I might focus on comfort and practicality, opting for upgrades like ergonomic grips and durable tires.
Understanding my biking habits and preferences will help me choose the most suitable upgrades for my bicycle. By aligning my upgrades with my riding style, I'll guarantee that I'm getting the most out of my investment.
Whether I'm looking to improve speed, comfort, durability, or performance, selecting the right upgrades for my bicycle type will make all the difference. By considering my bicycle type and purpose, I'll be able to tailor my upgrades to my specific needs and take my riding experience to the next level.
Compatibility and Fit
With my bicycle type and purpose in mind, I need to verify that any upgrades I choose are compatible with my bike's specific make and model. This is essential to ensure a seamless integration and best performance.
I'll start by checking the upgraded components, such as seats or lights, to ensure they're designed for my bike model. Next, I'll review the size, dimensions, and mounting options to guarantee a proper fit. I'm also on the lookout for universal fittings or versatile adjustments that can accommodate different bike types, making the upgrade process more straightforward.
To further validate my choices, I'll scour user reviews and feedback to identify any potential compatibility issues. If I'm still unsure, I'll consult with experts or manufacturers to get specific guidance on compatibility questions. This diligence will save me from potential installation or performance headaches down the road.
Technical Specifications and Materials
When selecting a bicycle for upgrade, it's important to explore the technical specifications and materials that make up the bike's foundation, as these factors greatly impact performance, comfort, and customization options.
For instance, the material of the bike frame is essential, as it affects durability and weight. Aluminum frames offer a balance between the two, while steel frames are more durable but heavier. Carbon fiber frames, on the other hand, provide a lightweight and high-performance option.
I also consider the technical specifications, such as wheel size, frame geometry, and suspension type. These factors determine how well the bike will handle on different terrains and at various speeds. For example, a bike with a suspension system is ideal for off-road riding, while a road bike with a stiff frame is better suited for speed and efficiency.
Brand Reputation and Warranty
Beyond technical specifications and materials, I explore the brand's reputation and warranty, as these factors greatly influence my trust in the bike's quality and the support I can expect in case something goes wrong. A brand's reputation in the cycling industry is essential, as it reflects their history of producing high-quality and reliable bikes. I look for brands with a strong warranty policy that provides thorough coverage and support. Positive customer reviews and high ratings are also necessary indicators of a brand's reputation and customer satisfaction.
When evaluating a brand's warranty, I consider the coverage duration, what's included, and how to claim. A good warranty should provide adequate coverage for parts and labor, with a clear process for filing claims. Additionally, I research the brand's customer service reputation to make sure they offer prompt and helpful assistance in case of warranty claims. A brand's commitment to customer support is crucial in building trust and confidence in their products.
Frequently Asked Questions
Can I Upgrade My Bicycle's Brakes to Hydraulic Disc Brakes?
'I've wondered if I can upgrade my bike's brakes to hydraulic disc brakes. The good news is, yes, it's possible, but it requires some technical know-how and compatible components to guarantee a smooth shift.'
Are Bike Engine Kits Compatible With All Types of Bicycles?
Honestly, I've found that bike engine kits aren't universally compatible with all bicycles. The kit's design, bike's frame, and wheel size need to match; otherwise, it's a no-go.
How Often Should I Lubricate My Bike Chain for Optimal Performance?
"I lubricate my bike chain every 100-200 miles or monthly, depending on riding conditions. Clean the chain first, then apply a thin layer of lube to keep it running smoothly and prevent wear."
Can I Install a Bike Trailer Hitch on Any Type of Bicycle?
"I've tried to hook up a bike trailer to every bike I've ever owned, but the harsh reality is that not all bicycles are created equal. You'll need a sturdy frame and suitable mounting points to safely attach a trailer hitch."
Do Waterproof Bicycle Seats Provide Extra Comfort During Long Rides?
Honestly, I've found that waterproof bicycle seats do provide extra comfort during long rides, especially on rainy days. The water-resistant material reduces pressure points and friction, allowing me to ride longer without discomfort.
Conclusion
I've scoured the market and found the crème de la crème of bike upgrades – the best of the best, the cream of the crop, the bee's knees.
These 15 incredible products will transform your ride from meh to mesmerizing.
With high-quality seats, blindingly bright lights, and maintenance magic, you'll be the envy of every cyclist on the road.
Upgrade your ride and get ready to roll like royalty.