![Legion L100](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL100-GRY_PD1_{width}x.png?v=1600785321)
![Legion L100](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL100-GRY_PD3_{width}x.png?v=1600785321)
![Legion L100](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL100-GRY_PD2_{width}x.png?v=1600785321)
![Legion L100](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL100-GRY_PD4_{width}x.png?v=1600785321)
![Legion L100](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL100-GRN_PD1_{width}x.png?v=1600785321)
![Legion L100](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL100-GRN_PD3_{width}x.png?v=1600785321)
![Legion L100](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL100-GRN_PD2_{width}x.png?v=1600785321)
![Legion L100](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL100-GRN_PD4_{width}x.png?v=1600785321)
![](http://cdn.shopify.com/s/files/1/0259/9682/0573/files/LegionL100_large.png?v=1563981888)
With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L100 was designed to be a fully park, street and dirt worthy BMX bike that offers everything a rider could need from beginner level curb jumps all the way up to advanced aerial tricks on a quarterpipe!
Specifications
Frame 4130 chromoly, BMX freestyle geometry, removable brake mounts, integrated headset, mid BB shell
Fork 4130 chromoly
Crank 2-piece, tubular chromoly hollow spindle, 25T aluminum chainring
Chain KMC S1
Bottom Bracket Mid sealed bearing, 8-spline spindle
Rear Cog Single-speed, 9T cassette driver
Rims Xposure Infinity-XD, aluminum double wall, 30 mm ID, 36H
Front Hub Aluminum, ball bearing, 3/8 in axle, 36H
Rear Hub Aluminum, sealed-bearing cassette, 14 mm axle, 36H
Spokes 14G, steel, black
Tires 20 in x 2.4 in, wire bead
Pedals Mongoose, nylon
Brakes U-brake, aluminum
Handlebar Mongoose, 4130 chromoly, 29 in width, 8.75 in rise
Stem Mongoose, threadless top load, 50 mm
Headset Threadless, integrated 1-1/8”, cartridge bearing
Seat Post Pivotal, steel, 250 mm, 25.4 mm
Saddle Mongoose Pivotal
Grips Mongoose MushXL, 160 mm
Sizes One size
Geometry & Sizing
![](https://cdn.shopify.com/s/files/1/0259/9682/0573/t/11/assets/71705df6db23--M_GeoDiagram_BMX.jpg?10007)