Bicycle Archive · Specification report

Bicycle comparison

2008 GT Power Series Expert · 2007 GT Power Series Expert

Specification	2008 GT Power Series Expert	2007 GT Power Series Expert
Overview
Model year	2008	2007
Brand	GT	GT
Model	Power Series Expert	Power Series Expert
Bicycle type	BMX	BMX
Archive ID	13605	16138
Original MSRP	$399.99	$399.99
Colors	Silver/Black	Blue/Black
Sizes	Expert 19.75"TT	20" wheel
Frameset
Frame construction	TIG-welded	TIG-welded
Frame material	GT 6061 Aluminum	6061 T6 aluminum
Fork	GT Aluminum	GT BMX design
Fork material	Aluminum, unicrown crown	Aluminum, unicrown crown
Rear shock	N/A	N/A
Drivetrain
Component group	BMX	BMX Mix
Shifters	N/A	N/A
Front derailleur	N/A	N/A
Rear derailleur	N/A	N/A
Crankset	GT forged aluminum 3pc.	GT forged aluminum 3pc., 42 teeth
Bottom bracket	Euro	Euro cartridge
Rear cogs	1-speed, 14, 15, 16 teeth	1-speed, 14 teeth
Chain	KMC Z610	KMC Z610
Pedals	Jr. BMX platform, aluminum	Jr. BMX platform, aluminum
Brakes
Brakes	—	Alloy side-pull caliper front/Tektro, 926AL rear brakes, Tektro 316A levers
Cockpit & contact points
Headset	1 1/8" FSA Orbit IS-2	1 1/8" integrated 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
Seatpost	Aluminum	Aluminum, 22.2mm (7/8 inch) diameter
Wheels & tires
Hubs	Front: GT aluminum sealed, Rear: Joy Tech cassette	Front: GT BMX sealed, Rear: BMX Race cassette
Rims	Alex DA-22, 32-hole	Sun M13-II, 32-hole
Spokes	15ga. (1.8mm)	15ga. (1.8mm) straight gauge
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.