Mongoose Legion Freestyle BMX Bike Review

The Mongoose Legion Freestyle BMX Bike is a great option for advanced riders looking for a durable and reliable bike. Designed with features suitable for park, street, or dirt riding, this bike can handle curb jumps and advanced tricks on a quarterpipe. With 20-inch wheels and a steel frame, it provides stability and support for riders 5’8″ and taller.

Mongoose Legion BMX Bike

Contents

Pros and Cons

What We Liked

The full 4130 chromoly frame, fork, and bars provide excellent durability and a solid foundation for future upgrades.
The removable brake mounts, mid BB shell, and sealed rear wheel add to the bike’s overall durability and performance.
The drivetrain features two-piece tubular chromoly hollow spindle cranks with a 25T aluminum chainring and a mid-sealed bearing bottom bracket for smooth and efficient pedaling.
The wheelset includes 20 x 2.4 tires mounted on wide aluminum double wall rims, offering traction and stability during rides. The 3/8 female axle front hub and 9T cog sealed bearing cassette rear hub ensure smooth and reliable wheel performance.
The aluminum U-brake and brake levers provide precise speed control, while the 4130 chromoly handlebar and fork, along with the 50 mm stem and threadless sealed integrated headset, offer maximum steering performance.

What Can Be Improved

The front wheel is unsealed, which may be a drawback compared to other bikes in its price range that offer sealed hubs.
The rims on this bike are pinned instead of welded, which may affect their overall strength and durability.

Quick Verdict

The Mongoose Legion Freestyle BMX Bike is a solid choice for advanced riders seeking a durable and capable ride. It offers a fully park, street, or dirt-worthy design and features a 4130 chromoly frame and fork, removable brake mounts, mid BB shell, and sealed rear wheel. While there are a few areas for improvement, such as the unsealed front wheel and pinned rims, the overall performance and quality of this bike make it a great option. If you can find it at a discounted price, it becomes an even better value.

Check out the Mongoose Legion Freestyle BMX Bike on Amazon

Unboxing – What’s Inside?

I recently purchased the Mongoose Legion L100 Freestyle BMX Bike from Amazon. As an avid BMX rider, I was excited to try out this advanced bike designed for adult riders. The delivery was fast, and I received the product within a week of ordering.

Inside the box, I found the Mongoose Legion L100 Freestyle BMX Bike. The bike came well-packaged and protected with foam padding to prevent any damage during shipping. It also included a set of additional components such as the handlebars, seat, pedals, and wheels. The bike was partially assembled, and I had to attach the remaining components before it was ready to ride.

Specifications

Here are the specifications of the Mongoose Legion L100 Freestyle BMX Bike:

Brand: Mongoose
Manufacturer: Pacific Cycle, Inc.
Frame Material: Chromoly Steel
Wheel Size: 20 Inches
Color: Grey/Black
Number of Speeds: 1
Age Range: Adult
Bike Type: BMX Bike
Suspension Type: Rigid
Special Features: Freestyle, Aluminum Frame, BMX
Warranty Description: Limited lifetime warranty on frame and one year warranty on parts
Item Dimensions (LxWxH): 23.62 x 8.66 x 48.82 inches
Package Weight: 15.63 Kilograms
Item Package Dimensions (LxWxH): 48.5 x 23.5 x 8.5 inches
Year: 2020
Model Name: Legion BMX
Style: L100
Item Weight: 12 Kilograms
Specific Uses For Product: Trail
Brake Style: U Brake
Size: 20-Inch Wheels

Documentations

The Mongoose Legion L100 Freestyle BMX Bike came with an empty user guide. Although there was no documentation included in the box, I was able to find the user guide online. The user guide provided useful information on bike assembly, maintenance, and safety guidelines. It was helpful in ensuring that I set up the bike correctly and understood how to properly care for it.

If you would like to access the user guide, you can find it here.

Features – What We Found

Extreme durability and advanced performance

The Mongoose Legion Freestyle BMX Bike is designed for advanced riders who demand a high level of durability and performance. With its fully park, street, or dirt-worthy design, this bike can handle anything from beginner-level curb jumps to advanced aerial tricks on a quarterpipe.

One of the standout features of this bike is its construction. The frame is made from Mongoose’s full 4130 Chromoly, which is known for its exceptional strength and durability. The bike also features removable brake mounts and a mid BB shell, adding to its overall durability and versatility.

To ensure smooth and efficient pedaling, the Mongoose Legion L100 is equipped with 175 mm two-piece tubular chromoly hollow spindle cranks. These cranks, combined with the 25T aluminum chainring and mid sealed bearing bottom bracket, provide a reliable and efficient drivetrain system.

Pro-tip: When performing advanced tricks and jumps, having a bike with extreme durability is crucial. The Mongoose Legion L100 is built to withstand the rigors of freestyle riding, making it an excellent choice for riders who want a bike that can handle intense riding sessions.

Responsive braking system for precise speed control

The Mongoose Legion Freestyle BMX Bike features an aluminum U-brake and brake levers, offering precise speed control. This braking system allows riders to quickly and effectively slow down or come to a complete stop when needed.

The use of an aluminum U-brake ensures reliable and consistent braking performance, even during intense riding sessions. The brake levers are designed for easy reach and provide a responsive feel, allowing riders to confidently control their speed.

If you’re looking to purchase this bike, you can find it on Amazon by clicking here.

High-quality wheelset for optimal riding experience

The Mongoose Legion L100 is equipped with a high-quality wheelset that enhances the overall riding experience. The 20” x 2.4” tires offer excellent traction and stability, allowing riders to confidently take on various terrains.

The tires are mounted on wide aluminum double wall 36H rims, which provide durability and strength. The 3/8” female axle front hub and 9T cog sealed bearing cassette rear hub ensure smooth and efficient rotation, allowing for better control and maneuverability.

Precision steering performance

To achieve maximum steering performance, the Mongoose Legion L100 features a 4130 chromoly handlebar and fork, joined by a 50 mm stem and a threadless sealed integrated headset.

The 4130 chromoly handlebar and fork provide excellent strength and durability, ensuring the bike can handle the demands of any riding style. The 50 mm stem allows for a comfortable riding position and optimal control.

The threadless sealed integrated headset further enhances steering performance, providing smooth and responsive handling. This feature allows riders to confidently navigate obstacles and execute precise maneuvers.

Pro-tip: A well-designed handlebar, fork, stem, and headset combination is essential for precise steering and control. The Mongoose Legion L100’s components are specifically chosen to provide the best possible performance in these areas, giving riders an edge when performing tricks or navigating challenging terrain.

Suitable for taller riders

The Mongoose Legion L100 is designed for riders with a suggested height of 5’8 and up. The bike’s 21″ top tube length offers ample space for taller riders, ensuring a comfortable riding position and optimal balance.

This feature is especially important for riders who are looking to perform advanced tricks and jumps, as having the right bike geometry can significantly impact performance and safety. The Mongoose Legion L100 is specifically designed to accommodate taller riders and provide them with the necessary space and balance for their riding style.

Overall, the Mongoose Legion L100 is an excellent choice for advanced riders who demand extreme durability, precise control, and optimal performance. Its high-quality construction, responsive braking system, top-notch wheelset, precision steering components, and suitability for taller riders make it a standout BMX bike in its category.

Our Review

Our Score: 87.0

I recently purchased the Mongoose Legion Freestyle BMX Bike and it has exceeded my expectations. As an experienced rider, I was looking for a bike that could handle advanced tricks and jumps, and the L100 delivers. The fully park, street, and dirt-worthy design allows me to confidently perform tricks on any terrain. The 20-inch wheels and 4130 Chromoly frame provide excellent durability and stability.

One of the standout features of this bike is the drivetrain. The two-piece tubular chromoly hollow spindle cranks and aluminum chainring offer smooth and reliable performance. In addition, the wheelset with 20 x 2.4 tires mounted on wide aluminum double wall rims provides excellent traction and control.

The overall quality of the bike is impressive, especially considering the price. While some components like the front wheel could be improved, the L100 is a solid choice for beginners, intermediate riders, or even those getting back into BMX after a break. With some minor upgrades like swapping out the wheels, chain, and cranks, this bike can become a top-notch ride.

If you’re in the market for a durable and high-performing BMX bike, I highly recommend the Mongoose Legion Freestyle L100. It offers great value for the price and can handle all types of riding. Don’t let the brand’s department store reputation fool you, as Mongoose has a strong BMX heritage and this bike lives up to its name. Click here to check it out and see why it’s one of the top-rated BMX bikes on the market.