VelopediaBicycle Archive · Specification report

Bicycle comparison

2009 GT Power Series Expert · 2007 GT Power Series Expert

Specification2009 GT Power Series Expert2007 GT Power Series Expert
Overview
Model year20092007
BrandGTGT
ModelPower Series ExpertPower Series Expert
Bicycle typeBMXBMX
Archive ID1880316138
Original MSRP$469.99$399.99
ColorsWhite/BlackBlue/Black
Sizes19.75" TT20" wheel
Frameset
Frame constructionTIG-weldedTIG-welded
Frame material6061-T6 aluminum6061 T6 aluminum
ForkGT BMXGT BMX design
Fork materialAluminum/chromoly steerer, unicrown crownAluminum, unicrown crown
Rear shockN/AN/A
Drivetrain
Component groupBMXBMX Mix
ShiftersN/AN/A
Front derailleurN/AN/A
Rear derailleurN/AN/A
CranksetGT Tubular Cr-Mo 3pc., 42 teethGT forged aluminum 3pc., 42 teeth
Bottom bracketEuro SealedEuro cartridge
CassetteFreewheel—
Rear cogs1-speed, 13, 14, 15, 16, 17, 18 teeth1-speed, 14 teeth
ChainKMC Z610KMC Z610
PedalsJr. BMX platform design, aluminum body, cr-mo axleJr. BMX platform, aluminum
Brakes
BrakesTektro 926AL Mini-V rear brakes, Tektro 316A rear leversAlloy side-pull caliper front/Tektro, 926AL rear brakes, Tektro 316A levers
Cockpit & contact points
Headset1 1/8" FSA Orbit IS-21 1/8" integrated FSA Orbit IS-2
HandlebarGT BMX aluminumGT BMX aluminum
Handlebar extensionsNot includedNot included
StemGT BMX RaceGT BMX Race
SaddleGT Mini BMXGT Mini
SeatpostAluminum, 22.2mm diameterAluminum, 22.2mm (7/8 inch) diameter
Wheels & tires
HubsFront: GT aluminum sealed, Rear: Joy Tech BMX cassetteFront: GT BMX sealed, Rear: BMX Race cassette
RimsAlex DA-22, 32-holeSun M13-II, 32-hole
Spokes15ga. (1.8mm)15ga. (1.8mm) straight gauge
Spoke nipplesAluminum nipplesAluminum nipples
Front tire20 x 1 3/8" Kenda Small Block Eight20 x 1-3/8" Kenda Small Block Eight
Wheel size20" wheels20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 12, 2026.