Bicycle Archive · Specification report

1997 GT Avalanche (01)

Velopedia Archive ID 69871

Overview

Model year	1997
Brand	GT
Model	Avalanche (01)
Bicycle type	Mountain bike, front suspension
Archive ID	69871
Original MSRP	$1,245.00
Colors	Ball burnished, grey
Sizes	14.5", 16", 18", 20"

Frameset

Frame construction	Welded
Frame material	6061 T6 aluminum, butted, heat-treated
Fork	Rock Shox Indy SL
Fork material	Magnesium, triple-clamp crown
Rear shock	N/A

Drivetrain

Component group	Shimano Deore LX
Shifters	Shimano Deore LX RapidFire SL
Front derailleur	Shimano Deore LX top-swing, bottom-pull
Rear derailleur	Shimano Deore XT SGS
Crankset	Shimano Deore LX, 22/32/42 teeth
Bottom bracket	Shimano
BB shell width	73mm English
Rear cogs	8-speed, 11 - 30 teeth
Chain	Shimano, 1/2 x 3/32"
Pedals	Victor VP-103 clipless

Brakes

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

Cockpit & contact points

Headset	1 1/8" threadless Tioga
Handlebar	Kore Lite
Handlebar extensions	GT Cut Weld
Stem	Kore Lite
Saddle	WTB SST, hollow chromoly rails, w/kevlar sides
Seatpost	Aluminum micro-adjust, 27.2 mm diameter

Wheels & tires

Hubs	Front: Shimano Deore LX, Rear: Shimano STX-RC
Rims	Mavic 221, 32-hole
Spokes	Stainless steel, 2.0mm double butted
Spoke nipples	Brass nipples
Front tire	26 x 2.10" WTB VelociRaptor kevlar
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	575 mm
Head-tube angle	70.5°
Seat-tube angle	73.5°
Chainstay / rear center	426 mm
Wheelbase	1073 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 September 25, 2026.