Mongoose Legion L100 (2025)

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 quarter pipe!

Specifications

FRAME - 4130 chromoly, BMX freestyle geometry, removable brake mounts, integrated headset, mid BB shell
FORK - 4130 chromoly, 20”, 4130 chromoly
CRANK - 2-piece, tubular chromoly hollow spindle, 25T aluminium chainring
CHAIN - KMC S1
BOTTOM BRACKET - Mid sealed bearing, 8-spline spindle
REAR COG - Single-speed, 9T cassette driver
RIMS - Xposure Infinity-XD, aluminium 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
TYRES - 20 in x 2.4 in, wire bead
PEDALS - Mongoose, nylon
BRAKES - U-brake, aluminium
HANDLEBARS - 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