Bicycle Archive · Specification report

2012 GT Mach One Pro 20"

Velopedia Archive ID 2023655

Overview

Model year	2012
Brand	GT
Model	Mach One Pro 20"
Bicycle type	BMX
Archive ID	2023655
Colors	Satin Black, Satin Green
Sizes	One Size

Frameset

Frame material	Straight Guage Hi-Ten
Fork	GT Hi-Ten

Drivetrain

Crankset	Forged Steel 127mm 42t
Bottom bracket	American BB
Cassette	DNP Cro-Mo 16t
Chain	KMC Z410
Pedals	GT Expert Plastic

Brakes

Brakes	Tektro Bx-309

Cockpit & contact points

Headset	FSA External
Handlebar	Steel
Stem	GT Race
Saddle	GT Mach 1 Rail
Seatpost	Steel 25.4 mm

Wheels & tires

Hubs	GT Steel 36h GT Steel 36h
Front tire	GT Wing 2.1/1.75

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 24, 2026.