Mongoose Legion L100 BMX Bike Grey (2021)
Up to 12 months interest free
Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »
Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.
First Free Tune-up
Every bike come with a complimentary free tune-up and safety check.
Please note, due to challenges in the product supply chain, bike specifications are subject to change without notice. Specifications listed below may not match exactly as shown in the photo.
The Mongoose Legion L100 BMX bike is a rad BMX bike for riders of any age or ability that are after a totally dialled freestyle machine. The L100 is an extremely capable BMX bike which is ideally suited to all riders who want to step up their game. The tough chromoly frame and fork is built with modern BMX geometry for the ultimate riding experience. The L100 is equipped with 2 piece tubular chromoly hollow spindle cranks which are reliable for the best ride every single time. While the aluminium U-Brake gives you the control that you need in the skate park or streets. You'll be rolling on 20x2.4" tyres and tough Xposure Infinity-XD aluminium double wall 36H rims for a smooth ride. The Mongoose Legion L100 BMX bike offers some awesome spec which creates a versatile freestyle machine which is ready for easy curb jumps or advanced aerial assaults at the skate park.
- Mongoose full 4130 Chromoly frame, tapered headtube, removable brake mounts, and mid BB shell.
- 175mm 2-piece tubular chromoly hollow spindle cranks with a 25T alloy chainring and mid sealed bearing bottom bracket.
- 20” x 2.4” tires mounted on wide aluminium double wall 36H rims with 3/8” female axle front hub and 9T cog sealed bearing cassette rear hub.
- 4130 chromoly handlebar and fork, 50mm stem, threadless sealed integrated headset, and Alloy U-brake.
- 21-inch top tube length. Suggested rider height is 5'8" and up.
|Click & Collect||Yes|
|Bottom Bracket||Mid sealed bearing, 8-spline spindle|
|Cassette||Single-speed, 9T cassette driver|
|Crankset||CrMo Tubular 2-piece, hollow spindle 25T aluminium chainring|
|Grips||Mongoose MushXL, 160 mm|
|Handlebar||Mongoose, CrMo 4130, 29" width, 8.75" rise|
|Headset||External, 1-1/8" Threadless|
|Hubs||Aluminum, Ball Bearing, 3/8" Axle, 36H|
|Rims||Xposure Infinity-XD, aluminum double wall, 30 mm ID, 36H|
|Seatpost||Pivotal, steel, 250 mm, 25.4 mm|
|Stem||Mongoose, Threadless Top Load, 50 mm|
|Spokes||14G, steel, black|
|Tyres||20 x 2.4", wire bead|
|Kids Bike Sizing||20 Inch|
20" Freestyle BMX Sizing Chart
ST Seat Tube
TT Top Tube
CS Chain Stay Length
HTA Head Tube Angle
STA Seat Tube Angle
BD Bottom bracket Drop
HT Head Tube
FL Fork Length
WB Wheel Base
|20inch||Wheel Size||20"||Frame Size||20inch||ST Seat Tube (mm)||223.0||TT Top Tube (mm)||534.0||CS Chain Stay Length (mm)||348.0||HTA Head Tube Angle (°)||75.0||STA Seat Tube Angle (°)||71.0||HT Head Tube (mm)||120.0||S Stack (mm)||-||WB Wheel Base (mm)||925.0|
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