Bicycle Archive · Specification report

2002 GT D12

Velopedia Archive ID 38324

Overview

Model year	2002
Brand	GT
Model	D12
Bicycle type	Freestyle/jumping
Archive ID	38324
Original MSRP	$329.99
Colors	Green/Black

Frameset

Frame construction	TIG-welded
Frame material	Chromoly main triangle/hi-tensile steel rear stays
Fork	GT
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	GT 3-piece chromoly
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	1/2 x 3/16"
Pedals	GT Trail/Freestyle Al platform

Brakes

Brakes	Tektro U-brake front/Tektro FX-11 rear brakes, Tektro 273A levers

Cockpit & contact points

Headset	1 1/8" threadless Tange-Seiki Fatty MX
Handlebar	GT chromoly
Handlebar extensions	N/A
Stem	GT Piston
Saddle	GT Launch Pad
Seatpost	Chromoly, 25.4mm diameter

Wheels & tires

Hubs	Aluminum, nutted
Rims	Alex G22, 36-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 2.10" GT LP-4
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.