Bicycle Archive · Specification report

1994 Giant ATX-870

Velopedia Archive ID 15119

Overview

Model year	1994
Brand	Giant
Model	ATX-870
Bicycle type	Mountain bike, non-suspension
Archive ID	15119
Original MSRP	$600.00
Sizes	16", 18", 20", 22"
Weight	26.5 lb

Frameset

Frame construction	Welded aluminum
Frame material	Alcoa CU92 aluminum
Fork	Chromoly, box crown

Drivetrain

Component group	Shimano Alivio / STX
Shifters	Shimano STX Rapidfire Plus w/Optical Gear Display
Front derailleur	Shimano Alivio
Rear derailleur	Shimano STX
Crankset	Shimano STX, 24/34/42 teeth
Rear cogs	7-speed, 11 - 28 teeth
Chain	Sedis
Pedals	Giant ATX G-2 w/clips & straps

Brakes

Brakes	Shimano Alivio brakes, levers

Cockpit & contact points

Handlebar	HL alloy
Stem	HL chromoly
Saddle	Selle San Marco Hovercraft
Seatpost	Kalloy alloy 1-piece

Wheels & tires

Hubs	Shimano Alivio
Rims	Araya TM-18, 32-hole
Front tire	Giant

Geometry · Legacy reference

Top tube	594.4 mm
Head-tube angle	71.5°
Seat-tube angle	73°
Chainstay / rear center	424.2 mm
Wheelbase	1061.7 mm
Fork offset / rake	43.2 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 30, 2026.