Mongoose Racer X 20″ Boys BMX Silver

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Original price was: $359.00.Current price is: $309.00.


Needs to be ordered in from the supplier.  Please allow 1-2 weeks.

Due to dealer agreement we are unable to ship this bike/frame.


Contact us in store for more information on availability and pricing!

The Mongoose 20″ Racer X is a kids bike built on a sidewalk frame. It is both light and durable and has the added feature of rear coaster brakes which assists with easy stopping. The Racer comes fitted with a kids specific handlebar and components that optimise comfort levels.

Designed for 6-9 years olds

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.


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

Please note: Images are for illustrative purposes only, actual specification may differ. 

Frame Specs
  • Sizes | 20 inch
  • Colors | Silver
  • Frame | Tectonic T1, aluminum, 20” kids geometry, 100 mm dropout
  • Fork | Mongoose, 20”, steel steerer, 100 mm, bolt-on
  • 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
  • Seatpost | Steel, 250 mm, integrated saddle, 27.2 mm
  • Saddle | Mongoose Kids, integrated rails
  • Pedals | Kids, plastic
  • Brakes | Aluminum caliper front, rear steel coaster brake
  • Cassette | Single-speed, 16T
  • Chain | KMC Z410
  • Bottom Bracket | Internal, 1-piece, American, 68 mm shell
  • Crank | Mongoose 1-piece narrow Q-factor, 32T
  • Rims | Aluminum single wall, 28H
  • Tyres | Mongoose, 20 in x 2.125 in, wire bead
  • Extras | Rear fender, number plate, handlebar and stem pad

PMC is a specialist road store with the highest bike build standards and customer service record in the industry. Please contact any of our friendly staff if you are in need of any expert advice or answers to any queries you may have, or to take advantage of a test ride and experience the PMC advantage.
Our bike fitting service is done at time of purchase but is not limited to this only. We offer an on-going free bike fitting service within the first year to accommodate possible changes in your fitness, flexibility and performance. We can also assess current riding techniques such as pedalling efficiency, correct posture etc. and offer any advice on an individual basis in order to advance your cycling comfort and performance. This includes free head stem swap overs at any time within the first year. Our opinion is that the perfect bike fit is something that grows with your riding and can be fluid as you progress or adapt to your riding level. Every bike fit is individual to a riders certain requirements and correctly fitted, can turn a good bike riding experience into a great one. We also offer a free follow up service and highly recommend this is done within the first 6 months or the 500-1000km mark. This is the most important service a bike can get, with it getting the full treatment to ensure everything has bedded in well, ensuring your ride is maintained and performing at it's optimum level. Our service goes over and above the normal adjustments required with any issue arising being rectified free of charge unless due to normal wear and tear.