Bicycle Archive · Specification report

Bicycle comparison

2001 GT Fly · 2003 GT Fly

Specification	2001 GT Fly	2003 GT Fly
Overview
Model year	2001	2003
Brand	GT	GT
Model	Fly	Fly
Bicycle type	Freestyle/jumping	Freestyle/jumping
Archive ID	35484	38585
Original MSRP	$309.99	$199.99
Colors	Starlight Blue, Taupe	Gloss Black, Imola Red
Sizes	Pro	One
Frameset
Frame construction	TIG-welded	TIG-welded
Frame material	Chromoly	Chromoly down tube/hi-tensile steel
Fork	GT	GT
Fork material	Chromoly, unicrown crown	Chromoly, unicrown crown
Rear shock	N/A	N/A
Drivetrain
Component group	N/A	N/A
Shifters	N/A	N/A
Front derailleur	N/A	N/A
Rear derailleur	N/A	N/A
Crankset	GT 1-piece chromoly, 44 teeth	GT one-piece, 39 teeth
Bottom bracket	One piece	—
BB shell width	—	American
Rear cogs	1-speed, 16 teeth	1-speed, 16 teeth
Chain	KMC, 1/2 x 1/8"	KMC 410, 1/2 x 3/16"
Pedals	GT aluminum platform	GT Johnson design
Brakes
Brakes	Tektro 906A U-brake rear brakes, Tektro 287A rear levers	Tektro 907A U-brake rear brakes, Tektro 289A rear levers
Cockpit & contact points
Headset	1 1/8" threadless Tange Seiki STE	1 1/8" threadless Victor VP-A74F
Handlebar	GT Expert BMX	GT BMX
Handlebar extensions	Not included	N/A
Stem	GT Piston	GT Piston
Saddle	GT	GT Jr Jump, 9mm rails
Seatpost	GT aluminum micro-adjust	Aluminum, 25.4mm diameter
Wheels & tires
Hubs	GT Mohawk	Steel, nutted
Rims	Alex X-303, 48-hole	Alex G303, 36-hole
Spokes	14g	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples	Brass nipples
Front tire	20 X 2.10" GT LP-III	20 x 2.10" GT LP-4
Wheel size	20" wheels	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 14, 2026.