![Legion L40](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL40-BLK_PD1_{width}x.png?v=1600719617)
![Legion L40](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL40-BLK_PD3_{width}x.png?v=1600719617)
![Legion L40](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL40-BLK_PD2_{width}x.png?v=1600719617)
![Legion L40](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL40-BLK_PD4_{width}x.png?v=1600719617)
![Legion L40](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL40-PRP_PD1_{width}x.png?v=1600719617)
![Legion L40](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL40-PRP_PD3_{width}x.png?v=1600719617)
![Legion L40](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL40-PRP_PD4_{width}x.png?v=1600719617)
![Legion L40](http://int.mongoose.com/cdn/shop/products/M21_20U_LegionL40-PRP_PD2_{width}x.png?v=1600719617)
Specifications
Frame Hi-Ten steel, BMX freestyle geometry, mid BB shell
Fork Hi-Ten steel
Crank 3-piece, tubular chromoly, 25T steel chainring
Chain KMC S1
Bottom Bracket Mid sealed bearing, 8-spline spindle
Rear Cog Single-speed, 9T cassette driver
Rims Aluminum single wall, 24 mm ID, 36H
Front Hub Steel, ball bearing, 3/8 in axle, 36H
Rear Hub Steel, sealed-bearing cassette, 14 mm axle, 36H
Spokes 14G, steel, black
Tires 20 in x 2.3 in, wire bead
Pedals Mongoose, nylon
Brakes U-brake, aluminum
Handlebar Mongoose, Hi-Ten steel, 28 in width, 8 in rise
Stem Mongoose, threadless top load, 50 mm
Headset Threadless, integrated 1-1/8”, retainer bearing
Seat Post Steel, 250 mm, 25.4 mm
Saddle Mongoose Unifier, 1 piece rails
Grips Mongoose MushXL, 160 mm
Sizes One size
Geometry & Sizing
![](https://cdn.shopify.com/s/files/1/0259/9682/0573/t/11/assets/5d4800584e11--M_GeoDiagram_BMX.jpg?9986)