Bicycle Archive · Specification report

1997 GT Speed Series Jr.

Velopedia Archive ID 69370

Overview

Model year	1997
Brand	GT
Model	Speed Series Jr.
Bicycle type	BMX
Archive ID	69370
Original MSRP	$614.99
Colors	Ball burnished
Sizes	Boys

Frameset

Frame construction	TIG-welded
Frame material	6061 T6 aluminum
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	3-piece aluminum, 44 teeth
BB shell width	68mm Threadless
Rear cogs	1-speed, 16 teeth
Chain	KMC 410, 1/2 x 3/32"
Pedals	GT aluminum platforms

Brakes

Brakes	Dia-Compe aluminum side-pull caliper rear brakes, Dia-Compe levers

Cockpit & contact points

Headset	1" threadless steel
Handlebar	GT aluminum
Handlebar extensions	N/A
Stem	GT aluminum
Saddle	GT plastic
Seatpost	Aluminum

Wheels & tires

Hubs	GT Mohawk, high-flange
Rims	Araya, 36-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1 1/8" GT AA Pro kevlar
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 25, 2026.