Mongoose LEGION L20 (Green)

SKU: l20green


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Mongoose® Hi-Ten steel frame and fork; 8” handlebar

3-piece chromoly tubular crank; 8-spline spindle

Aluminum single wall 36H rims; 2.3” tires


With the Legion Series, Mongoose offers a full line of freestyle BMX bikes for riders of all ages and ability levels. The Legion L20 is a stylish freestyle BMX bike that offers everything a beginning rider needs to hit the streets and pop off curbs!




FRAME- Hi-Ten steel, BMX freestyle geometry


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, steel rails


GRIPS- Mongoose Mush, 145 mm


SIZES- One size

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