With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. As our flagship model, the L500 is designed to take on the raddest ramps and quarterpipes, and handle the abuse that advanced riders can throw at it!

• 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 aluminum double wall 36H rims with 3/8” female axle front hub and 9T cog and sealed Freecoaster 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.

FRAME
4130 chromoly, BMX freestyle geometry, removable brake mounts, integrated headset
FORK
4130 chromoly
CRANK
2-piece, tubular chromoly hollow spindle, 25T aluminum chainring
CHAIN
KMC HL1 Halflink
BOTTOM BRACKET
Mid sealed bearing, Mid sealed bearing, 48-spline spindle
REAR COG
Single-speed, 9T freecoaster
RIMS
Xposure Infinity-XD, aluminum double wall, 30 mm ID, 36H
FRONT HUB
Aluminum, sealed-bearing, 3/8 in bolt, 36H
REAR HUB
Aluminum, sealed bearing freecoaster rear hub, 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, 160 mm