Mongoose Legion L40 | 20″ Hi-Ten Steel Frame | Proffesional Freestyle Bmx | 2025

Mongoose Legion L40 Professional Freestyle BMX for Aspiring Riders

The Mongoose Legion L40 is part of Mongoose’s esteemed Legion Series, which offers a complete range of freestyle BMX bikes. Designed for riders of all ages and skill levels, the Legion L40 stands out as a professional-grade freestyle BMX bike. It is perfect for those eager to learn and master their first tricks on the local ramps. With its robust construction and high-quality components, the Legion L40 ensures an exciting and reliable ride.

Superior Frame and Fork Design

The Legion L40 features a Hi-Ten steel frame with BMX freestyle geometry, providing a sturdy and responsive ride. This frame is complemented by a Hi-Ten steel fork, designed to handle the stresses of freestyle riding. Together, they offer the durability needed for park, street, or dirt riding. Additionally, the frame includes removable brake mounts and a mid BB shell, enhancing its versatility.

High-Performance Crank and Drivetrain

Equipped with 175mm 3-piece tubular chromoly cranks, the Legion L40 ensures robust performance. The 25T steel chainring pairs with a mid sealed bearing bottom bracket, delivering smooth and reliable power transfer. The 8-spline spindle further enhances the drivetrain’s durability, making it suitable for intense freestyle sessions.

Reliable Wheels and Hubs

The bike rolls on 20” x 2.3” tires, which provide excellent traction and stability. These tires are mounted on aluminum single wall 36H rims, known for their strength and light weight. The front hub features a 3/8” axle with ball bearings, while the rear hub boasts a sealed-bearing cassette with a 14mm axle and a 9T cog. This combination ensures smooth and reliable performance across various terrains.

Excellent Control and Handling

Control and handling are crucial for any freestyle BMX bike. The Mongoose Legion L40 excels in this area with its Hi-Ten steel handlebar and fork, providing excellent control and stability. The handlebar has a width of 28 inches and a rise of 8 inches, offering an optimal position for tricks and stunts. The 50mm threadless top load stem and integrated headset enhance steering precision and reliability.

Comfortable and Functional Components

The Legion L40 also focuses on rider comfort. It features a Mongoose Unifier saddle with one-piece rails and a steel seat post. The Mongoose MushXL grips, measuring 160mm, provide a secure and comfortable hold. The bike also includes Mongoose nylon pedals, ensuring a reliable grip during intense freestyle maneuvers.

Ideal for Aspiring Riders

With a top tube length of 20.5 inches, the Legion L40 is ideal for riders with a height of 5’0” to 5’6”. This size ensures that the bike is both comfortable and responsive for younger and smaller riders. The aluminum U-brake provides reliable stopping power, enhancing safety during tricks and stunts.