GT Mach One 20 Junior BMX Bike
The GT Mach One Junior is the ideal starting point for a junior rider to begin their journey into the world of BMX riding. The Mach One 20 is fast, agile, reliable and stylish. Plus, it rolls upon 20″ wheels and has a strong and lightweight 6061 alloy frame at its core with superb components to quickly get you up to speed.
Strong and Lightweight Aluminium Frame Construction
This superb beginner BMX racer features a GT Mach One Race aluminium frame that’s designed with modern geometry to compliment speed, control and comfort. Also, it’s equipped with quality alloy-forged 3-piece cranks, GT Race handlebars and Kenda Race tyres to give new riders a head start.
Perfect for Aspiring BMX Racers
This bike is perfect for the mid-sized rider and its quality build and construction inspires confidence for riders in the early stages of racing.
Features:
- Frame: GT Mach One Race MK2, 6061 Alloy, Euro BB, Reverse Dropouts, V-Brakes, 1-1/8″ Integrated H/T
- Fork: GT BMX Race, Hi-Ten Steel 1″ Steerer, 3/8″ Dropouts
- Crankset: GT Alloy Forged 3pc, 152mm, Square Taper, 38T
- Rims: Alloy Double Wall, 28h
- Hubs: Front: Steel Body, 28h, 3/8″ Axle; Rear: Steel Flip Flop Thread-on Body, Freewheel, 28h, 3/8″ Axle
- Spokes: Stainless Steel, 14g
- Tyres: Kenda Race, 20 x 1-3/8″
- Handlebar: GT Race, Steel, 4″H x 24″w/ 8-deg Back, 2-deg Up, 19mm O.D. Cross Bar
- Stem: GT Top Load, 1″, 40mm
- Grips: GT Statement
- Headset: 1 1/8″ Integrated Design, 45X45 Degree Sealed Bearings
- Saddle: GT Uni Mini Padded
- Seatpost: 22.2mm Integrated
- Brakes: Alloy V-Brake
- Chain: KMC S1
- Bottom Bracket: Euro sealed
- Pedals: GT Mini Size Platform, PP Material
Please note: this bike is for use on BMX tracks and skate parks. In many countries, it is illegal to use this bike on public roads without using the two independent braking systems provided (a front and rear brake).
Buy GT Bikes from Chain Reaction Cycles, the World’s Largest Online Bike Store.





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