Mongoose – Racer X


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.

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FRAMETectonic T1, aluminum, 20” kids geometry, 100 mm dropout

FORKMongoose, 20”, steel steerer, 100 mm, bolt-on

CRANKMongoose 1-piece narrow Q-factor, 32T


BOTTOM BRACKETInternal, 1-piece, American, 68 mm shell

REAR COGSingle-speed, 16T

RIMSAluminum single wall, 28H

FRONT HUBSteel, 3/8 in axle, 28H

REAR HUBSteel, 3/8 in axle, 28H, coaster brake

SPOKES14G, stainless steel

TIRESMongoose, 20 in x 2.125 in, wire bead

PEDALSKids, plastic

BRAKESAluminum caliper front, rear steel coaster brake

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

STEMAluminum/steel, quill, 50 mm ext., 22.2 mm clamp

HEADSETThreaded, EC22.2/27, retainer bearing

SEAT POSTSteel, 250 mm, integrated saddle, 27.2 mm

SADDLEMongoose Kids, integrated rails

GRIPSMongoose, kids


EXTRASRear fender, number plate, handlebar and stem pad

Additional information


Silver, Red


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