Bicycle Archive · Specification report

1998 Dyno Air (02)

Velopedia Archive ID 74364

Overview

Model year	1998
Brand	Dyno
Model	Air (02)
Bicycle type	Freestyle/jumping
Archive ID	74364
Original MSRP	$312.52
Colors	Chrome-plated
Sizes	Boys

Frameset

Frame construction	TIG-welded
Frame material	Chromoly/hi-tensile steel
Fork	Dyno
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 1-piece steel, 43 teeth
Bottom bracket	One piece
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	1/2 x 1/8"
Pedals	GT aluminum platforms

Brakes

Brakes	Dia-Compe Bulldog brakes, aluminum levers

Cockpit & contact points

Headset	1" steel w/SST Oryg detangler
Handlebar	Dyno 2-piece
Handlebar extensions	N/A
Stem	GT Piston
Saddle	GT
Seatpost	Dyno Drainpipe II

Wheels & tires

Hubs	GT 5-spoke mag
Rims	GT 5-spoke mag
Spokes	Reinforced nylon, molded
Spoke nipples	N/A
Front tire	20 X 2.10" GT LP III
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 12, 2026.