Ready to ride
The bike is always professionally tuned and ready to go.
We will be happy to advise you
We provide expert advice on selection and configuration.
Free warranty inspection
Free warranty inspection after driving 200–500 km
Official TREK Store
Lifetime warranty on the frame, Crash Replacement, Carbon Care.
With the Legion series, Mongoose offers a complete line of BMX freestyle bikes for riders of all ages and skill levels. The Legion L100 has been designed as a full park, street and dirt BMX bike that offers everything a rider could need, from beginner level curb jumps to advanced aerial tricks on the quarterpipe!
Specifications are subject to change without notice depending on component availability. Product images are for reference only.
- Bike is not folded
- Free shipping
- Shipped by PPL only
Specifications:
| Frame | 4130 chromoly, BMX freestyle geometry, removable brake mounts, integrated headset, mid BB shell | |
| Forks | 4130 chromoly, 20", 4130 chromoly | |
| Cranks | 2-piece, tubular chromoly hollow spindle, 25T aluminum chainring | |
| Cassette | Single-speed, 9T cassette driver | |
| Chain | KMC S1 | |
| KMC S1/tr> | ||
| Rims | Xposure Infinity-XD, aluminum double wall, 30 mm ID, 36H | |
| Rails | 20 in x 2.4 in, wire bead | |
| Hubs | Aluminum, ball bearing, 3/8 in axle, 36HAluminum, sealed-bearing cassette, 14 mm axle, 36H | |
| Wires | 14G, steel, black | |
| Brakes | U-brake, aluminum | /td> |
| Handlebars | Mongoose, 4130 chromoly, 29 in width, 8.75 in rise | |
| Transmission | Mongoose, threadless top load, 50 mm | |
| Grips | Mongoose MushXL, 160 mm | |
| Headstock | Threadless, integrated 1-1/8", cartridge bearing | |
| Saddle | Mongoose Pivotal | |
| Saddle | Pivotal, steel, 250 mm, 25.4 mm | |
| Platform | LEGION G1 | |
| Weight | Weights of bikes are not given as there is no uniform weighing standard. We always recommend that you have your bike weighed to specification in store and compare to the actual weight of other brands. |
Choose from the Mongoose range of BMX, mountain and city bikes.


