20" Mongoose Racer X (2025)
20" Mongoose Racer X (2025) - Green : This product is available for backorder only. Will ship as soon as it is back in stock.
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Sizing Chart
Sizing Chart
The chart provided is to be used as a guide only, to help you narrow down which category to begin your search.
| Wheel size | Rider Height |
| 12" | 80-100cm |
| 14" | 85-105cm |
| 16" | 90-110cm |
| 18" | 95-115cm |
| 20" | 110-130cm |
| 24" | 125-150cm |
| 26"+ | 145cm+ |
Shipping Information
Shipping Information
This product: Pickup in-store only. Shipping not available.
Shipping available†
We offer shipping on select brands including: Rocky Mountain, Orbea, XDS, Icon, Jamis, Shogun, Schwinn, BYK, Kidvelo. These bikes are shipped unbuilt in their original box.
†Only bikes stocked at our Warehouse location are available for shipping.
Shipping upon request to your local bike shop
Some brands require the bike is delivered directly to a bicycle shop or mechanic for assembly, and shipping is not available to your residence. These include GT, Cannondale, .
Request a shipping quote to proceed.
Pickup in-store only
Certain bike brands cannot be shipped and are only available for Click and Collect or purchase in-store.
These include but are not limited to the following brands: Giant, Norco, Liv, Momentum, Malvern Star and Mongoose.
Pre-assembled bikes
†Any bikes in stock at our Heidelberg Heights, Hallam or Hoppers Crossing store locations are already fully assembled, and therefore only available for Click and Collect or purchase in-store.
The chart provided is to be used as a guide only, to help you narrow down which category to begin your search.
| Wheel size | Rider Height |
| 12" | 80-100cm |
| 14" | 85-105cm |
| 16" | 90-110cm |
| 18" | 95-115cm |
| 20" | 110-130cm |
| 24" | 125-150cm |
| 26"+ | 145cm+ |
20" Mongoose Racer X (2025)
20” 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.
FEATURES
- 32/16T drivetrain; 1-piece forged steel 127 mm crank.
- 20” wheels with 2.125” sidewalk tyres.
- Mongoose® Hi-Ten 176 mm rise handlebar.
SPECIFICATIONS
| FRAME | |
|---|---|
| Frame | Tectonic T1, aluminum, 20” kids geometry, 100 mm dropout |
| Fork | Mongoose, 20”, steel steerer, 100 mm, bolt-on |
| DRIVETRAIN | |
| 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 |
| WHEELS | |
| 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 |
| COMPONENTS | |
| Pedals | Kids, plastic |
| Brakes | Aluminum caliper front, rear steel coaster brake |
| Handlebar | Mongoose, Hi-Ten steel, 580 mm width, 176 mm rise |
| 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 | |
| Extras | Rear fender, number plate, handlebar and stem pad |
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Frame material
-
Speeds (rear)Single Speed
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Age GroupKids
-
GenderBoys
-
SKUsGreen: M55103M10OS, Blue: M55103M20OS
