GT Mach One Pro BMX Race Bike Gloss Red (2020)
Up to 12 months interest free
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Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.
First Free Tune-up
Every bike comes with a complimentary free tune-up and safety check.
Please note that, in order to reduce production and delivery times, bike specifications are subject to change by the manufacturer without notice. Please be aware that these changes might not be reflected on product pages and images.
The GT Mach One is an affordable race bike which is built for performance and speed. The design and components of pro racing bikes have been brought to this model without the price tag. It is built with the Mach One Racing Style alloy frame and Hi-Ten Steel fork. This frame/fork combo is made to handle the intensity of racing and gives an excellent feel and durability. Matched by the high quality and reliability of the alloy forged 3 piece cranks.
While the smaller Uni padded saddle and GT Low Profile FS Platform Design pedals further improve comfort for the rider that is not yet fully grown. While the GT Wing tyres will help you push the limits, as they are super fast with just the right amount of grip for BMX racing. If you want to start out racing BMX, look no further than the GT Mach One, with all the speed and durability of a pro racing bike, you’ll have hours of fun testing your limits.
Features
- GT Mach One Race 6061-T6 AL Frame
- GT BMX Junior Race Hi-Ten Steel Fork
- Alloy Forged 3pc Crank
- Alloy V-type Brake.
SKU | GTG41200U10LG |
---|---|
Season | 2020 |
Size | 20inch |
Click & Collect | Yes |
Frame | GT Mach One Race, 6061-T6 AL, Euro BB, Reverse Dropouts, Integrated H/T |
Frame Material | Alloy |
Fork | GT BMX Junior Race, Hi-Ten Steel Steerer, Oval Blades, 315mm A/C, 3/8" Dropouts |
Fork Material | Steel |
Speeds | ## x ## |
Front Gears | Single |
Rear Gears | Single Speed |
Crankset | GT Power Series Seamless Tubular Cr-Mo 2pc., 170mm Arms, Cold Forged CR-MO 19mm x 48T Spline Spindle, 25T GT 5mm Alloy Chainwheel |
Pedals | GT high impact nylon platform |
Chain | KMC S1 |
Brake Type | Rim Brake |
Brakes | Alloy V-type |
Brake Levers | Alloy V-type |
Cassette | 14T freewheel |
Wheel Size | 20" |
Tyres | Kenda Small Block Eight, 20 x 1 3/8" |
Rims | Alloy Double Wall, 28h |
Hubs | Steel Flip Flop Thread-On Body, Freewheel, 28h, 3/8" Axle |
Bottom Bracket | Sealed Mid 19mm |
Handlebar | GT Race, Steel, 2"H x 22"W 8° Back, 2° Up |
Headset | Mission Sealed Integrated (41.8 x 45) |
Grips | GT Statement2 Single Lock-on Grips |
Stem | GT Top Load 1" Aluminum, 40mm |
Saddle | GT Uni Mini Kevlar Padded |
Seatpost | Alloy integrated w/ Saddle, 25.4 x 150mm |
Sizing | 20 Inch |
Top Tube Length | 20.75 |
Top Tube Length Range | 20.x" |
BMX Race Sizing Chart

Legend
ST Seat Tube
TT Top Tube
CS Chain Stay Length
HTA Head Tube Angle
STA Seat Tube Angle
BD Bottom Bracket Drop
HT Head Tube
FL Fork Length
R Reach
S Stack
WB Wheel Base
Size |
20inch | Wheel Size | 20" | Frame Size | 20inch | TT Top Tube (mm) | 20.75 | HTA Head Tube Angle (°) | - | HT Head Tube (mm) | - | S Stack (mm) | - |