Bicycle Archive · Specification report

1996 GT Vertigo

Velopedia Archive ID 53645

Overview

Model year	1996
Brand	GT
Model	Vertigo
Bicycle type	Freestyle/jumping
Archive ID	53645
Original MSRP	$289.99
Colors	Black, chrome-plated
Sizes	Boys

Frameset

Frame construction	TIG-welded steel
Frame material	Chromoly/hi-tensile steel
Fork	GT
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	GT, 43 teeth
Bottom bracket	GT
BB shell width	68mm Threadless
Rear cogs	1-speed, 16 teeth
Chain	KMC 410, 1/2 x 1/8"
Pedals	GT alloy

Brakes

Brakes	Dia-Compe Bulldog brakes, Chang Star 257A levers

Cockpit & contact points

Headset	1" GT steel
Handlebar	GT freestyle
Handlebar extensions	N/A
Stem	GT alloy
Saddle	GT freestyle
Seatpost	GT chromoly, 22.2 mm (7/8 inch) diameter

Wheels & tires

Rims	Weinmann 2121, 48-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 X 1.75" GT LP-II
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	477.5 mm
Head-tube angle	73°
Seat-tube angle	71°
Chainstay / rear center	381 mm
Wheelbase	881.4 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.