Racer X

M55109M50OS

32/16T drivetrain; 1-piece forged steel 127 mm crank
20” wheels with 2.125” sidewalk tires
Mongoose® Hi-Ten 176 mm rise handlebar

Color — Red

Silver Red

Available at the following retailers:

KidFit™ technology has been embedded into the design of every juvenile bike we make from the LilGoose to the Racer X. Learning to ride can be tough. But, KidFit™ features like easier gearing and improved rider positioning help make those first experiences a lot easier.

Specs

Geometry

Owner's Manual

Specifications

Frame Tectonic T1, aluminum, 20” kids geometry, 100 mm dropout

Fork Mongoose, 20”, steel steerer, 100 mm, bolt-on

Crank Mongoose 1-piece narrow Q-factor, 32T

Chain KMC Z410

Bottom Bracket Internal, 1-piece, American, 68 mm shell

Rear Cog Single-speed, 16T

Rims Aluminum single wall, 28H

Front Hub Steel, 3/8 in axle, 28H

Rear Hub Steel, 3/8 in axle, 28H, coaster brake

Spokes 14G, stainless steel

Tires Mongoose, 20 in x 2.125 in, wire bead

Pedals Kids, plastic

Brakes Aluminum caliper front, rear steel coaster brake

Handlebar Mongoose, Hi-Ten steel, 580 mm width, 176 mm rise, 22.2 mm clamp

Stem Aluminum/steel, quill, 50 mm ext., 22.2 mm clamp

Headset Threaded, EC22.2/27, retainer bearing

Seat Post Steel, 250 mm, integrated saddle, 27.2 mm

Saddle Mongoose Kids, integrated rails

Grips Mongoose, kids

Sizes One Size

Extras Rear fender, number plate, handlebar and stem pad

Geometry & Sizing