Bicycle Archive · Specification report

2004 GT Power Series Pro

Velopedia Archive ID 31447

Overview

Model year	2004
Brand	GT
Model	Power Series Pro
Bicycle type	BMX
Archive ID	31447
Original MSRP	$249.99
Colors	Blue
Sizes	Pro

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	GT one-piece, 44 teeth
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	KMC Z30, 1/2 x 1/8"
Pedals	GT BMX Design Aluminum

Brakes

Brakes	Tektro 924AL rear brakes, Tektro 319A rear levers

Cockpit & contact points

Headset	1 1/8" threadless Victor VP-A74F
Handlebar	GT BMX
Handlebar extensions	N/A
Stem	GT Piston
Saddle	GT BMX
Seatpost	Aluminum micro-adjust, 27.0mm diameter

Wheels & tires

Hubs	GT BMX
Rims	Alex G303, 36-hole
Spokes	Steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.125" IRC Siren, Rear: 20 x 1.75" IRC Siren
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	508 mm
Head-tube angle	74.5°
Seat-tube angle	70.5°
Chainstay / rear center	368.3 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.