VelopediaBicycle Archive · Specification report

1998 GT Power Series

Velopedia Archive ID 70146

Overview

Model year1998
BrandGT
ModelPower Series
Bicycle typeBMX
Archive ID70146
Original MSRP$319.99
ColorsMetallic silver, red
SizesXlarge

Frameset

Frame constructionTIG-welded
Frame material6061 T6 aluminum
ForkGT
Fork materialChromoly/hi-tensile steel, unicrown crown
Rear shockN/A

Drivetrain

Component groupN/A
ShiftersN/A
Front derailleurN/A
Rear derailleurN/A
CranksetGT 1-piece chromoly, 43 teeth
BB shell widthAmerican
Rear cogs1-speed, 16 teeth
Chain1/2 x 1/8"
PedalsGT aluminum platforms

Brakes

BrakesTektro linear-pull rear brakes, Tektro levers

Cockpit & contact points

Headset1 1/8" threadless Aheadset SE-1
HandlebarGT
Handlebar extensionsN/A
StemGT Piston
SaddleGT Drop Nose
SeatpostAluminum

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 tube508 mm
Head-tube angle72.5°
Seat-tube angle70°
Chainstay / rear center388.6 mm
Wheelbase939.8 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 9, 2026.