GT Mach One Mini 20" BMX Bike - 2018


SKU: 575248

GT Mach One Mini 20" BMX Bike - 2018  Is designed to be the perfect introduction into the world of racing.

The Mach One is available in a variety of wheel and frame sizes, built to suit every need. 

With it's aluminium race-tuned frameset, lightweight wheelset, 3 pc cranks, v-brakes,race bars and stem, this is where racing starts. Add a numberplate and go hit the tracks. This is the perfect starter bike.


  • Alloy forged 3-piece 149mm crank
  • GT Wing Tyres, 20 x 1-1/8"
  • Alloy Rims, Seatpost, and Stem
More Information
Brand GT
Type BMX
Wheel Size 20”
Pedals Included Yes
More Information
Eligible for cycle to work Not eligible
Bike Frame Size No
Primary Colour Black
Brand GT
Type BMX
Wheel Size 20”
Age Group No
Pedals Included Yes
Gender No
Frame GT Mach One Race, 6061-T6 AL, Euro BB, Reverse Dropouts, 1-1/8" Integrated H/T
Frame Material Aluminium
Forks GT BMX design, 1-1/8" Steerer x 31.8mm blades, Hi-Ten Blades
Crank Alloy forged 3-piece, square taper, 140mm, BCD110, 36T Steel Chain Ring
Chain KMC Z410
Pedals GT Mini Size Platform
Brake Type V-Brakes
Gyro Braking System No
Rear Brake Alloy V-Type
Front Hub Steel Body 28H 3/8" Axle
Rear Hub Steel Body 28H 3/8" Axle
Driver Freewheel
Rims Alloy Single Wall 20" 28H
Tyre Size 20 x 1-1/8"
Tyres Kenda Race
Handlebars GT Race, Steel, 2" H x 22" W
Stem Gt Top Load 1" Aluminium, 40mm Length
Grips GT Statement
Headset 1" integrated Design, 36x45 Degree Sealed Bearings
Saddle GT Uni Mini Kevlar Padded
Seatpost AL Integrated W/Saddle 25.4 x 150mm
Stunt Pegs No
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Standard £2.99 or FREE on orders over £10
- Order by 3pm (Sun-Thurs) to be delivered within 3 working days
- Most bikes delivered within 5 working days.
- An estimated delivery window will be shown at the checkout.
Next Day £4.99
- Order by 3pm (Sun-Thurs) for Next Day delivery
Click and Collect FREE
- Order by 3pm (Sun-Thurs) to pick up in 2 working days
- Order by 3pm (Sun-Thurs) to pick up in 5 working days

PLEASE NOTE: If you have ordered more than one item these may arrive in multiple deliveries.


To find out more about bike delivery, as well as our easy returns service, head over to our delivery and returns page.


All of the bikes we sell online are built and inspected by our qualified mechanics – just like when you buy a bike from one of our stores. All you’ll need to do when you receive the bike is straighten the handlebars and attach one of the pedals. This service is free, and included every time you buy a bike. Find out more.