Bicycle Archive · Specification report

Bicycle comparison

2008 GT Power Series Expert · 2009 GT Power Series Expert

Specification	2008 GT Power Series Expert	2009 GT Power Series Expert
Overview
Model year	2008	2009
Brand	GT	GT
Model	Power Series Expert	Power Series Expert
Bicycle type	BMX	BMX
Archive ID	13605	18803
Original MSRP	$399.99	$469.99
Colors	Silver/Black	White/Black
Sizes	Expert 19.75"TT	19.75" TT
Frameset
Frame construction	TIG-welded	TIG-welded
Frame material	GT 6061 Aluminum	6061-T6 aluminum
Fork	GT Aluminum	GT BMX
Fork material	Aluminum, unicrown crown	Aluminum/chromoly steerer, 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 forged aluminum 3pc.	GT Tubular Cr-Mo 3pc., 42 teeth
Bottom bracket	Euro	Euro Sealed
Cassette	—	Freewheel
Rear cogs	1-speed, 14, 15, 16 teeth	1-speed, 13, 14, 15, 16, 17, 18 teeth
Chain	KMC Z610	KMC Z610
Pedals	Jr. BMX platform, aluminum	Jr. BMX platform design, aluminum body, cr-mo axle
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	Aluminum, 22.2mm diameter
Wheels & tires
Hubs	Front: GT aluminum sealed, Rear: Joy Tech cassette	Front: GT aluminum sealed, Rear: Joy Tech BMX 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" Kenda Small Block Eight	20 x 1 3/8" 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.