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GT Mach One - 2019 Kids Bike

This bike is currently unavailable due to increased demand

The best way to guarantee the new 2021 model is by pre-ordering today.

To pre-order this bike today, click the deposit payment button and then select your size.




About the productGT Mach One - Kids Bike 2019 blue

Designed to be the perfect introduction into the world of racing, the Mach One is available in a variety of sizes, built to suit every need.

Great bike. Great Service & excellent communication. Very happy.


FRAMEGT Mach One Race Styling, Aluminum
FORKGT BMX design, 1 Steerer, 1 Blades, Aluminum
HEADSET1 Threaded, Ball Bearing
HANDLEBARGT Race, Steel, 3H x 17.7W
H STEMAlloy Ahead stem, 37mm Ext
PEDALGT Mini Size Platform, PP Material
SEATGT Uni Mini padded
SEATPOSTAL Integrated w/ Saddle, 22.2 x 160mm
HUB FRONTSteel Body, 3/8 Axle front, Steel Body, Freewheel, 3/8 Axle rear
HUB REARSteel Body, 3/8 Axle front, Steel Body, Freewheel, 3/8 Axle rear
CASSETTESteel Forged 1-Piece, 114mm, 33T Steel Chain Ring
RIMSAlloy single wall, 16 28h
STEMAlloy Ahead stem, 37mm Ext
BOTTOM BRACKETAmerican Loose Ball Bearing
REAR BRAKERear Alloy Caliper Brake
FRONT BRAKERear Alloy Caliper Brake
TYRESInnova, 16 x 1.75
AVAILABILITY Please call for availability

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Cycle to Work Scheme
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Size guide

Kids bike sizing chart
Feet and Inches Centimetres Age (years)  
2' 10" - 3' 7" 85 - 110 2 - 5 Runner bikes
2' 10" - 3' 4" 85 - 100 2 - 4 12 inch wheel diameter
3' 1" - 3' 7" 95 - 110 3 - 5 14 inch wheel diameter
3' 7" - 4' 0" 110 - 120 5 - 7 16 inch wheel diameter
4' 0" - 4' 5" 120 - 135 7 - 9 20 inch wheel diameter
4' 5" - 4' 9" 135 - 145 9 - 11 24 inch wheel diameter
4' 9"+ 145+ 11+ 26 inch wheel diameter
GT Mach One - Kids Bike 2019
GT Mach One - Kids Bike 2019

Shipping & returns

Shipping is free within England, Wales and parts of Scotland. Due to the size and weight of most bikes however, a charge would apply to shipping remote regions, offshore UK and Ireland.

The courier will require a signature for your delivery. If no one is available to sign for your goods, the courier will leave a card with instruction of where you can collect it.

Working days are Monday to Friday. However, there may be circumstances beyond our control which cause delay and in such circumstances we will endeavour to deliver the goods within 7 days of the date the order was made.


Our flexible finance options mean you can purchase this product with a minimal deposit (or call us and arrange a deposit that suits you). Before applying for finance, please ensure you have read the information on eligability.

Apply for finance online through v12Finance

Pre-order deposit

The quickest way to secure your 2021 model Mach One - Kids Bike


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