With the Legion Series, Mongoose offers a premium line of freestyle BMX bikes designed for riders of all ages and ability levels. The Legion L10 is engineered as the perfect introductory 20-inch BMX bike, mimicking the exact geometry and responsive feel preferred by modern park and street riders. Built around a highly durable hi-tensile steel chassis, it delivers a predictable and stable platform that allows young enthusiasts and beginners to gain confidence while mastering their first tricks, jumps, and ramps. It provides the ideal balance of affordability, rugged strength, and street-ready style to kickstart any BMX journey.
Hi-Ten Steel Frame & Fork: Built tough to handle the impacts, bumps, and drops of learning freestyle tricks.
Modern Freestyle Geometry: Engineered with a responsive geometry that mimics pro setups, ensuring superior control and maneuverability.
Reliable Stopping Power: Equipped with an aluminium rear U-brake system that provides dependable speed control and quick stops.
Robust Drivetrain: Features a strong 25T steel chainring paired with a single-speed 9T cassette driver for clean, efficient power transfer.
Agile Wheelset: Fitted with lightweight single-wall aluminium rims and wide, high-traction tyres for enhanced stability on concrete and ramps.
| Component | Specification |
| Frame | Hi-Ten steel, BMX freestyle geometry |
| Fork | Hi-Ten steel, threadless steerer |
| Crankset | 1-piece forged steel, 25T steel chainring |
| BB | American loose ball |
| Chain | KMC S1 |
| Cassette | Single-speed, 9T cassette driver |
| Brakes | Rear aluminium U-brake |
| Grips | Mongoose Mush, 145 mm |
| Handlebar | Mongoose, Hi-Ten steel, 28.25" width, 8.25" rise |
| Seatpost | Steel, 250 mm, 25.4 mm |
| Saddle | Mongoose, steel rails |
| Headset | Threadless, 1-1/8" external, retainer bearing |
| Wheelset | Aluminium single-wall rims, 36H, steel hubs with 3/8" axles |
| Tyres | 20" x 2.35", wire bead |
| Extras | Brake detangler / nylon pedals |
You are a beginner or younger rider looking for a genuine, budget-friendly entry into freestyle BMX riding.
You want a highly durable bike that can absorb the inevitable knocks and drops that come with learning new skills at the skatepark.
You prefer the simplicity and low maintenance of a single-speed drivetrain and a classic U-brake setup.
You are an advanced or heavier rider who requires a lighter, stronger full-Chromoly frame and sealed bearings for high-impact street or dirt jumping.
You are looking for a bike with multiple gears or front suspension for long-distance commuting or mountain bike trail riding.
For safety reasons bikes can not be shipped partially assembled; they must be fully built and inspected by an authorised technician prior to collection or delivery.
