Bicycle Archive · Specification report

Bicycle comparison

2009 GT Power Series Expert · 2008 GT Power Series Expert

Specification	2009 GT Power Series Expert	2008 GT Power Series Expert
Overview
Model year	2009	2008
Brand	GT	GT
Model	Power Series Expert	Power Series Expert
Bicycle type	BMX	BMX
Archive ID	18803	13605
Original MSRP	$469.99	$399.99
Colors	White/Black	Silver/Black
Sizes	19.75" TT	Expert 19.75"TT
Frameset
Frame construction	TIG-welded	TIG-welded
Frame material	6061-T6 aluminum	GT 6061 Aluminum
Fork	GT BMX	GT Aluminum
Fork material	Aluminum/chromoly steerer, unicrown crown	Aluminum, unicrown crown
Rear shock	N/A	N/A
Drivetrain
Component group	BMX	BMX
Shifters	N/A	N/A
Front derailleur	N/A	N/A
Rear derailleur	N/A	N/A
Crankset	GT Tubular Cr-Mo 3pc., 42 teeth	GT forged aluminum 3pc.
Bottom bracket	Euro Sealed	Euro
Cassette	Freewheel	—
Rear cogs	1-speed, 13, 14, 15, 16, 17, 18 teeth	1-speed, 14, 15, 16 teeth
Chain	KMC Z610	KMC Z610
Pedals	Jr. BMX platform design, aluminum body, cr-mo axle	Jr. BMX platform, aluminum
Brakes
Brakes	Tektro 926AL Mini-V rear brakes, Tektro 316A rear levers	—
Cockpit & contact points
Headset	1 1/8" FSA Orbit IS-2	1 1/8" FSA Orbit IS-2
Handlebar	GT BMX aluminum	GT BMX aluminum
Handlebar extensions	Not included	Not included
Stem	GT BMX Race	GT BMX Race
Saddle	GT Mini BMX	GT Mini BMX
Seatpost	Aluminum, 22.2mm diameter	Aluminum
Wheels & tires
Hubs	Front: GT aluminum sealed, Rear: Joy Tech BMX cassette	Front: GT aluminum sealed, Rear: Joy Tech cassette
Rims	Alex DA-22, 32-hole	Alex DA-22, 32-hole
Spokes	15ga. (1.8mm)	15ga. (1.8mm)
Spoke nipples	Aluminum nipples	Aluminum nipples
Front tire	20 x 1 3/8" Kenda Small Block Eight	20" Kenda Small Block Eight
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 12, 2026.