Bicycle comparison

2004 GT Power Series Pro · 2006 GT Power Series Pro

Specification	2004 GT Power Series Pro	2006 GT Power Series Pro
Overview
Model year	2004	2006
Brand	GT	GT
Model	Power Series Pro	Power Series Pro
Bicycle type	BMX	BMX
Archive ID	31447	11417
Original MSRP	$249.99	$299.99
Colors	Blue	Team Blue/Silver two tone
Sizes	Pro	20" wheel
Frameset
Frame construction	TIG-welded	TIG-welded
Frame material	6061 T6 aluminum	GT BMX race design, 6061-T6 aluminum
Fork	GT	GT BMX design
Fork material	Chromoly, unicrown crown	Cromo/hi-ten
Rear shock	N/A	N/A
Drivetrain
Component group	N/A	BMX
Shifters	N/A	N/A
Front derailleur	N/A	N/A
Rear derailleur	N/A	N/A
Crankset	GT one-piece, 44 teeth	GT Tubular forged 3pc, 43 teeth
Bottom bracket	—	Steel, Ball type
BB shell width	American	—
Rear cogs	1-speed, 16 teeth	1-speed, 16 teeth
Chain	KMC Z30, 1/2 x 1/8"	KMC Z610
Pedals	GT BMX Design Aluminum	GT BMX platform design, aluminum body, fixed pins, cr-mo alxe
Brakes
Brakes	Tektro 924AL rear brakes, Tektro 319A rear levers	Alloy side-pull caliper front/Tektro, 924AL, melt forged aluminum rear brakes, Tektro, 319A, aluminum levers
Cockpit & contact points
Headset	1 1/8" threadless Victor VP-A74F	1 1/8" Tange Seiki FATTY 22, extra deep cup engagement
Handlebar	GT BMX	GT BMX Race bend, Hi-Ten, 7" rise
Handlebar extensions	N/A	N/A
Stem	GT Piston	'05 GT BMX Race design, cold forged aluminum
Saddle	GT BMX	'06 GT BMX "Pro Lite", padded with stitched cover and 7mm rails
Seatpost	Aluminum micro-adjust, 27.0mm diameter	Aluminum micro-adjust, 27.0mm diameter
Wheels & tires
Hubs	GT BMX	'05 GT BMX branded, aluminum body, sealed mech. Bearings, Cr-Mo axle
Rims	Alex G303, 36-hole	Alex G303, aluminum, 36 hole, 31mm width, 36-hole
Spokes	Steel, 14ga. (2.0mm) straight gauge	14ga. (2.0mm) Straight Gauge
Spoke nipples	Brass nipples	Brass nipples
Front tire	20 x 2.125" IRC Siren	20 x 1.95" Kenda K-Rad
Rear tire	20 x 1.75" IRC Siren	20 x 1.75" Kenda K-Rad
Wheel size	20" wheels	20" wheels

Specification

2004 GT Power Series Pro

2006 GT Power Series Pro

Overview

Model year

2004

2006

Brand

Model

Power Series Pro

Bicycle type

BMX

Archive ID

31447

11417

Original MSRP

$249.99

$299.99

Colors

Blue

Team Blue/Silver two tone

Sizes

Pro

20" wheel

Frameset

Frame construction

TIG-welded

Frame material

6061 T6 aluminum

GT BMX race design, 6061-T6 aluminum

Fork

GT BMX design

Fork material

Chromoly, unicrown crown

Cromo/hi-ten

Rear shock

N/A

Drivetrain

Component group

N/A

BMX

Shifters

N/A

Front derailleur

N/A

Rear derailleur

N/A

Crankset

GT one-piece, 44 teeth

GT Tubular forged 3pc, 43 teeth

Bottom bracket

—

Steel, Ball type

BB shell width

American

—

Rear cogs

1-speed, 16 teeth

Chain

KMC Z30, 1/2 x 1/8"

KMC Z610

Pedals

GT BMX Design Aluminum

GT BMX platform design, aluminum body, fixed pins, cr-mo alxe

Brakes

Tektro 924AL rear brakes, Tektro 319A rear levers

Alloy side-pull caliper front/Tektro, 924AL, melt forged aluminum rear brakes, Tektro, 319A, aluminum levers

Cockpit & contact points

Headset

1 1/8" threadless Victor VP-A74F

1 1/8" Tange Seiki FATTY 22, extra deep cup engagement

Handlebar

GT BMX

GT BMX Race bend, Hi-Ten, 7" rise

Handlebar extensions

N/A

Stem

GT Piston

'05 GT BMX Race design, cold forged aluminum

Saddle

GT BMX

'06 GT BMX "Pro Lite", padded with stitched cover and 7mm rails

Seatpost

Aluminum micro-adjust, 27.0mm diameter

Wheels & tires

Hubs

GT BMX

'05 GT BMX branded, aluminum body, sealed mech. Bearings, Cr-Mo axle

Rims

Alex G303, 36-hole

Alex G303, aluminum, 36 hole, 31mm width, 36-hole

Spokes

Steel, 14ga. (2.0mm) straight gauge

14ga. (2.0mm) Straight Gauge

Spoke nipples

Brass nipples

Front tire

20 x 2.125" IRC Siren

20 x 1.95" Kenda K-Rad

Rear tire

20 x 1.75" IRC Siren

20 x 1.75" Kenda K-Rad

Wheel size

20" wheels

Geometry comparison

One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.

Measurement	2004 GT Power Series Pro	2006 GT Power Series Pro
Selected size / position	Legacy reference	—
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 November 12, 2026.