2017 GT Mach One Junior

2017 · Mach

2017 GT Mach One Junior is a BMX race bike built around a 6061 aluminum frame with a steel oval-leg fork and a 140mm alloy forged 3-piece crankset.

Description

When you’re buying a bike from the company that has been in BMX from the beginning, you know you’re getting the love, dedication, and innovation that comes along with it. 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.

 

+     GT Mach One Race Aluminum Frame

Technical specification

Geometry

Sizes
20" wheel / 18.5" top tube

Frame & Fork

Frame
GT Mach One Race, 6061 AL, Euro BB, Reverse Dropouts, 1" Integrated H/T
Fork
GT Mach One Junior Race, Steel, 1" Steerer, Oval Legs, 3/8" Dropouts

Drivetrain

Crankset
Alloy Forged 3-Piece, Square Taper, 140mm, 36T Steel Chain Ring
Bottom bracket
Euro Sealed
Chain
KMC Z410
Pedals
GT Mini Platform

Wheels

Rims
Alloy Double Wall, 20" 28 Hole (F/R)
Tires
Kenda Race 20" x 1-3/8" (F), 1-1/8" (R)
Spokes
14G
Hubs
Steel Body, (F) 28H, 3/8" Axle, (R) Freewheel, 28H, 3/8" Axle

Cockpit & contact

Handlebar
GT Race, Steel, 4"H x 24"W 8? Back, 2? Up, 19mm O.D. Cross Bar
Stem
GT Top Load 1" Aluminum, 40mm Length
Grips
GT Statement
Headset
1" Integrated Design, 36X45 Degree Sealed Bearings
Saddle
GT Uni Mini Kevlar padded
Seat post
AL integrated w/ Saddle, 25.4 x 150mm
Seatpost clamp
Alloy, 28.6mm Single Bolt

Brakes

Brakes
Alloy V-type
Brake levers
Alloy V-type