The GT Stomper Prime 20" in Black is thoughtfully engineered around GT's signature LegitFit system to deliver the ultimate riding foundation for young off-road enthusiasts. Built with a lightweight aluminium frame featuring narrowed pedalling positions and tailored geometry, this bike matches a child’s natural proportions to make pedalling smoother, balance intuitive, and control effortless. Paired with a rigid high-tensile steel fork, an easy-to-use 6-speed drivetrain, and high-grip Kenda tyres, the Stomper Prime provides confident handling across neighbourhood footpaths, gravel tracks, and local dirt trails. Every detail—from the short-reach brake levers to the kid-proportioned saddle—is crafted to boost safety, instil rider confidence, and maximize daily outdoor fun.
GT LegitFit System Frame: Engineered with narrower pedal spacing and tailored geometry designed specifically for young riders' bodies.
Lightweight Aluminium Frame: Durable alloy construction ensures the bike is easy to control, manoeuvre, and pedal uphill.
Simple 6-Speed Gearing: Intuitive twist-shift drivetrain helps young cyclists master gear changing with complete ease.
High-Traction Kenda Tyres: Kenda Small Block Eight 20x2.1" tyres provide exceptional grip across tarmac, gravel, and dirt.
Child-Specific V-Brakes: Easy-reach alloy handbrake levers paired with linear-pull brakes deliver 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 Tailored for Kids: The LegitFit geometry makes mounting, balancing, and pedalling significantly easier than standard youth bikes.
Perfect Multi-Gear Stepping Stone: Great choice for riders aged 6 to 9 years old who are transitioning from single-speed bikes to geared riding.
Rugged and Reliable Build: Premium alloy frame and dependable components ensure long-lasting durability for daily adventures.
Child Has Outgrown 20" Wheels: If your rider is taller than 135 cm, a 24-inch wheel model will offer better fit and longer usability.
Requires Front Suspension for Heavy Trails: If your child intends to tackle steep downhill or rocky mountain bike tracks, 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.
