VelopediaBicycle Archive · Specification report

1998 GT Karakoram

Velopedia Archive ID 76485

Overview

Model year1998
BrandGT
ModelKarakoram
Bicycle typeMountain bike, front suspension
Archive ID76485
Original MSRP$870.00
ColorsGloss black, mango
Sizes12.5", 14.5", 16", 18", 19", 20", 22"

Frameset

Frame constructionTIG-welded
Frame materialReynolds 525 main triangle, chromoly rear stays
ForkRock Shox Indy XC
Fork materialAluminum/magnesium, triple-clamp crown
Rear shockN/A

Drivetrain

Component groupMountain Mix
ShiftersShimano Deore LX RapidFire SL
Front derailleurShimano STX top-swing
Rear derailleurShimano STX-RC
CranksetShimano STX-RC, 22/32/42 teeth
Bottom bracketShimano BB-UN52
BB shell width68mm English
Rear cogs8-speed, 11 - 30 teeth
ChainShimano CN-IG51, 1/2 x 3/32"
PedalsSteel cage, aluminum body w/clips & straps

Brakes

BrakesShimano Deore LX V-Brake brakes, Shimano Deore LX levers

Cockpit & contact points

Headset1 1/8" threadless Tioga
HandlebarKore Lite
Handlebar extensionsNot included
StemKore Lite
SaddleWTB SSTK, hollow chromoly rails w/kevlar sides
SeatpostAluminum micro-adjust, 29.6mm diameter

Wheels & tires

HubsFront: aluminum, Q/R, Rear: Shimano STX-RC
RimsMavic X138, 32-hole
SpokesStainless steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tireFront: 26 x 2.10" WTB EnduroRaptor kevlar, Rear: 26 x 2.10" WTB VelociRaptor
Wheel size26" wheels

Geometry · Legacy reference

Head-tube angle70°
Seat-tube angle73.5°
Chainstay / rear center435 mm
Wheelbase1078 mm
Fork offset / rake40.6 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.