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![Mongoose 20" Legion L20 [Black] (2017)](https://99cycing.com/wp-content/uploads/2025/11/1764231345/mongoose-20-legion-l20-black-2017-1764231350.webp)
Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.The Mongoose Legion L20 Freestyle BMX Bike is built for smaller riders. It also holds aesthetical appeal with a detangler keeping all cables in place with-out mess.
| Frame | Hi-Ten Steel |
| Fork | Hi-Ten Steel |
| Drivetrain – crank | 1pc Forged Steel 170 mm, 25T steel chainring |
| 25T steel chainring | |
| Drivetrain chain | KMC Z410 |
| Bottom Bracket | American Loose Ball |
| Shifters | n/a |
| Cog Set | 9T cassette driver |
| Front Derailleur | n/a |
| Rear Derailleur | n/a |
| Wheel Size | 20″ |
| Rims | Alloy single wall 36H |
| Front Hub | 36H Alloy, 3/8″ axle |
| Rear Hub | 36H, 9T Cassette, 14 mm axle,4 Sealed bearing, AL Shell |
| Spokes | 14G Black |
| Tyres | 20 x 2.25 |
| Pedals | Plastic body with 1/2″ axle |
| Brakes | Alloy U-Brake |
| Front Brake | N/A |
| Rear Brake | Alloy U-Brake |
| Brake Levers | Alloy |
| Handle Bars | Mongoose Hi-Ten 8″ |
| Stem | Mongoose Front Loader 48mm Ext.; quilled |
| Head Set | Threaded, 1″ |
| Seat Post | Steel, 25.4 |
| Saddle | Mongoose Slim Railed |
AVAILABLE ONLINE & IN-STORE
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