Bicycle Archive · Specification report

1998 Zephyr Rocket

Velopedia Archive ID 77678

Overview

Model year	1998
Brand	Zephyr
Model	Rocket
Bicycle type	Juvenile
Archive ID	77678
Original MSRP	$105.99
Colors	Black, red
Sizes	Boys

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Zephyr
Fork material	Hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	1-piece 4 1/2", 36 teeth
Bottom bracket	One piece
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	1/2 x 1/8"
Pedals	Platform, resin

Brakes

Brakes	Coaster brake

Cockpit & contact points

Headset	1" steel
Handlebar extensions	N/A
Stem	Steel
Saddle	Zephyr
Seatpost	Pillar, steel

Wheels & tires

Hubs	Front: steel, nutted, Rear: coaster brake w/training wheels
Rims	Steel, 20-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	12 1/2 x 2 1/4" Comp III style
Wheel size	12" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 9, 2026.