Bicycle Archive · Specification report

Bicycle comparison

2004 GT Power Series Jr. · 2003 GT Power Series Jr.

Specification	2004 GT Power Series Jr.	2003 GT Power Series Jr.
Overview
Model year	2004	2003
Brand	GT	GT
Model	Power Series Jr.	Power Series Jr.
Bicycle type	BMX	BMX
Archive ID	31445	38636
Original MSRP	$299.99	$299.99
Colors	Blue	Avus Blue
Sizes	Junior	One
Frameset
Frame construction	TIG-welded	TIG-welded
Frame material	6061 T6 aluminum	6061 T6 aluminum
Fork	GT	GT
Fork material	Chromoly, unicrown crown	Chromoly, unicrown crown
Rear shock	N/A	N/A
Drivetrain
Component group	N/A	N/A
Shifters	N/A	N/A
Front derailleur	N/A	N/A
Rear derailleur	N/A	N/A
Crankset	3-piece aluminum, 38 teeth	GT 3-piece chromoly, 38 teeth
Bottom bracket	Sealed cartridge	Sealed cartridge
BB shell width	68mm English	Euro
Rear cogs	1-speed, 15 teeth	1-speed, 16 teeth
Chain	KMC Z30, 1/2 x 1/8"	KMC Z30, 1/2 x 3/16"
Pedals	Aluminum	Aluminum
Brakes
Brakes	Tektro 926A Mini V rear brakes, Tektro 316A rear levers	Tektro 926A Mini V rear brakes, Tektro 316A rear levers
Cockpit & contact points
Headset	1" Semi integrated threadless	1" Semi integrated threadless
Handlebar	GT Mini BMX	GT Mini BMX
Handlebar extensions	N/A	N/A
Stem	GT Mini Piston	GT Mini Piston
Saddle	GT Mini	GT Mini
Seatpost	Aluminum, 22.2mm (7/8 inch) diameter	Aluminum, 22.2mm (7/8 inch) diameter
Wheels & tires
Hubs	GT Mini	GT Mini
Rims	Alex DR-13, 28-hole	Jalco GT-02T, 28-hole
Spokes	Steel, 15ga. (1.8mm) straight gauge	Steel, 15ga. (1.8mm) straight gauge
Spoke nipples	Aluminum nipples	Aluminum nipples
Front tire	20 x 1 1/8" IRC Siren	20 x 1 1/8" GT Brody Knobs
Wheel size	20" wheels	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 11, 2026.