Bicycle Archive · Specification report

1999 GT Jetstream

Velopedia Archive ID 82799

Overview

Model year	1999
Brand	GT
Model	Jetstream
Bicycle type	Hybrid
Archive ID	82799
Original MSRP	$491.99
Colors	Regal Blue, Vivid Green
Sizes	14", 16", 18", 20", 22"

Frameset

Frame construction	Welded
Frame material	7000 aluminum
Fork	RST 801, 1.6" travel
Fork material	Aluminum/chromoly
Rear shock	N/A

Drivetrain

Component group	Hybrid Mix
Shifters	Grip Shift MRX
Front derailleur	Shimano AceraX top-swing
Rear derailleur	Shimano Alivio
Crankset	Shimano AceraX, 24/34/42 teeth
Bottom bracket	Shimano cartridge
Rear cogs	7-speed, 11 - 28 teeth
Chain	Shimano CN-IG31, 1/2 x 3/32"
Pedals	Alloy w/alloy cage

Brakes

Brakes	Shimano Nexave modulated V brakes, alloy levers

Cockpit & contact points

Headset	1 1/8" sealed mechanism
Handlebar	High-rise steel
Handlebar extensions	Not included
Stem	Aluminum, high rise
Saddle	GT
Seatpost	Kalloy aluminum suspension, adjustable

Wheels & tires

Hubs	Front: Shimano Altus, Rear: Shimano Nexus Roller brake
Rims	Araya PX-645, 36-hole
Spokes	Stainless steel, 2.0mm straight gauge
Front tire	700 x 40c multi-terrain
Wheel size	700c wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 8, 2026.