Bicycle Archive · Specification report

1998 GT STS-1500 DS

Velopedia Archive ID 72856

Overview

Model year	1998
Brand	GT
Model	STS-1500 DS
Bicycle type	Mountain bike, front & rear suspension
Archive ID	72856
Original MSRP	$2,299.00
Colors	Black carbon
Sizes	14.5", 16", 18", 19.5"

Frameset

Frame construction	Bonded
Frame material	Carbon fiber thermoplastic/aluminum
Fork	Rock Shox Judy XL
Fork material	Aluminum/magnesium, double triple-clamp crown
Rear shock	Rock Shox Coupe Deluxe, 4.0"/5.0" travel

Drivetrain

Component group	Mountain Mix
Shifters	Shimano STX-RC RapidFire SL
Front derailleur	Shimano Deore LX top-swing
Rear derailleur	Shimano Deore XT SGS
Crankset	Shimano Deore LX, 22/32/42 teeth
Bottom bracket	Shimano BB-UN52
BB shell width	68mm English
Rear cogs	8-speed, 11 - 30 teeth
Chain	Shimano CN-IG70, 1/2 x 3/32"
Pedals	Shimano PD-M535 SPD

Brakes

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

Cockpit & contact points

Headset	1 1/8" threadless Aheadset Kontak AL-2
Handlebar	Astro 1.5" rise
Handlebar extensions	Not included
Stem	Kore Lite
Saddle	SDG Ventura Comp, chromoly rails
Seatpost	GT aluminum micro-adjust, 31.6mm diameter

Wheels & tires

Hubs	Shimano Deore LX
Rims	Mavic X221, 32-hole
Spokes	WTB stainless steel, 1.8mm double-butted
Spoke nipples	Alloy nipples
Front tire	Front: 26 x 1.85" Tioga Edge, Rear: 26 x 1.85" Tioga Psycho TT
Wheel size	26" wheels

Geometry · Legacy reference

Head-tube angle	69.7°
Seat-tube angle	73.8°
Chainstay / rear center	424 mm
Wheelbase	1078 mm
Fork offset / rake	40.6 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 19, 2026.