VelopediaBicycle Archive · Specification report

1998 GT Power Series 3.0

Velopedia Archive ID 74380

Overview

Model year1998
BrandGT
ModelPower Series 3.0
Bicycle typeBMX
Archive ID74380
Original MSRP$529.99
ColorsBall-burnished
SizesPro XL

Frameset

Frame constructionTIG-welded
Frame material7005 aluminum
ForkGT
Fork materialChromoly, unicrown crown
Rear shockN/A

Drivetrain

Component groupN/A
ShiftersN/A
Front derailleurN/A
Rear derailleurN/A
CranksetGT 3-piece aluminum, 43 teeth
Bottom bracketGT sealed bearing
Rear cogs1-speed, 16 teeth
Chain1/2 x 1/8"
PedalsGT aluminum platforms

Brakes

BrakesDia-Compe VC-757 rear brakes, Dia-Compe MX-1 levers

Cockpit & contact points

Headset1 1/8" threadless Aheadset SX
HandlebarGT chromoly
Handlebar extensionsN/A
StemGT Piston Invet
SaddleGT Drop Nose
SeatpostGT chromoly micro-adjust

Wheels & tires

HubsGT Mohawk
RimsWeinmann 2121
SpokesSteel, 2.0mm straight gauge
Spoke nipplesAlloy nipples
Front tireFront: 20 x 2.125" GT AA Pro, Rear: 20 x 1.75" GT AA Pro
Wheel size20" wheels

Geometry · Legacy reference

Top tube520.7 mm
Head-tube angle72.5°
Seat-tube angle70°
Chainstay / rear center406.4 mm
Wheelbase977.9 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.