The GT Stomper Prime 20" in Silver is engineered around GT's innovative LegitFit system, designed to give young riders the best possible start to their mountain biking journeys. Built with a lightweight aluminium frame, this bike features narrower pedal positions and tailored geometry that matches a child's natural proportions, ensuring easier pedalling, better balance, and total confidence on every ride. Equipped with a smooth 6-speed drivetrain, a rigid high-tensile steel fork, and high-traction Kenda tyres, the Stomper Prime provides reliable power, precise control, and endless fun whether tackling neighbourhood paths or exploring local dirt trails.
GT LegitFit System Frame: Specifically tailored with narrower pedalling positions and optimized geometry to fit growing young bodies perfectly.
Lightweight Aluminium Construction: Strong alloy frame allows easy handling, lifting, and manoeuvring for junior cyclists.
Intuitive 6-Speed Gearing: Simple twist-shift 6-speed setup lets kids learn gear changes with minimal hassle.
High-Traction Kenda Tyres: Kenda Small Block Eight 20x2.1" tyres offer supreme grip across pavement, gravel, and dirt tracks.
Child-Proportioned V-Brakes: Easy-reach linear-pull alloy brakes give young riders smooth, reliable stopping power.
| Component | Specification |
| Frame | 20" GT LegitFit Design, Alloy w/ Replaceable Hanger |
| Fork | GT Hi-Ten Steel, 1-1/8" Threadless Steerer |
| Rear Derailleur | Shimano Tourney / microSHIFT RD-M21L, 6-speed |
| Shifters | Shimano Revo Twist Shifter / microSHIFT, 6-speed |
| Crankset | Prowheel w/ Double Guard, 30T, 130 mm length |
| BB (Bottom Bracket) | Cartridge Sealed |
| Chain | KMC Z7, 6-speed |
| Cassette | Sunrace 14-28T, 6-speed Freewheel |
| Brakes | GT Alloy V-Brake with Tektro 3-finger levers |
| Grips | GT MTB |
| Handlebar | Steel Riser Bar, 20 mm rise, 540 mm width, 25.4 mm clamp |
| Seatpost | Alloy Micro Adjust, 27.2 mm |
| Saddle | GT MTB Kids |
| Headset | 1-1/8" Ahead, threadless |
| Wheelset | All Terra Double Wall 28H alloy rims with QR alloy hubs |
| Tyres | Kenda Small Block Eight, 20 x 2.10" |
| Extras | GT BMX Flat Resin Pedals, kickstand mount |
| Aprox Weight | ~9.70 kg |
Ergonomically Designed for Kids: The LegitFit geometry makes balancing, mounting, and pedalling significantly easier than standard youth bikes.
Great Progression Model: Perfect for riders aged 6 to 9 years old who are transitioning from single-speed setups to multi-gear riding.
Durable Build Quality: Built with GT's trusted alloy frame and quality components that stand up to daily park and dirt trail adventures.
Outgrown Wheel Size: If your rider is taller than 135 cm, a 24-inch wheel model will offer a better fit and longer usability.
Demanding Front Suspension: If your child intends to ride aggressive downhill or rocky singletrack, a front suspension fork model may be preferred.
For safety reasons bikes can not be shipped directly without full assembly or inspection by an authorised retailer.
