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Mongoose Racer X 20″ Boys Red


The Racer X 20″ is a kid’s bike for boys aged 5-8 (based on average height for this age group). It is tailored for the young rider, with a lightweight alloy sidewalk frame and child friendly components. It also comes fitted with a kids specific handlebar for optimum comfort. comfort.

All bikes purchased in-store come fully assembled with 12 months free servicing!

Only 2 left in stock

MGM55107M10OS , ,
GTIN: 038675090866
Brand: Mongoose Brand:


  • Durable, lightweight aluminum frame
  • Easy-to-use rear foot brake (coaster brake) with front brake to help them learn
  • Equipped with front number plate and rear fender


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


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

TYRES: 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

EXTRAS: Rear fender, number plate, handlebar and stem pad

**Specifications are subject to change without notice.**

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