Mongoose LEGION L40 (Purple)

SKU: l40purple


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In stock


Hi-Ten steel frame, removable brake mounts, and mid BB shell.

175mm 3-piece tubular chromoly hollow spindle cranks with a 25T steel chainring and mid sealed bearing bottom bracket.

20” x 2.3” tires mounted on aluminum single wall 36H rims with 3/8” female axle front hub and 9T cog sealed bearing cassette rear hub.

Hi-Ten steel handlebar and fork, 50mm stem, threadless sealed integrated headset, and Aluminum U-brake.

20.5-inch top tube length. Suggested rider height is 5’0” – 5’6”.


With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L40 is a fully park, street or dirt worthy freestyle BMX bike that offers everything a new rider could need to bust their first tricks on their local ramp!





FRAME- Hi-Ten steel, BMX freestyle geometry, mid BB shell


FORK- Hi-Ten steel


CRANK- 3-piece, tubular chromoly, 25T steel chainring




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











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