Bicycle Archive · Specification report

1998 Schwinn Powermatic Mag

Velopedia Archive ID 72751

Overview

Model year	1998
Brand	Schwinn
Model	Powermatic Mag
Bicycle type	Freestyle/jumping
Archive ID	72751
Original MSRP	$319.95
Colors	Bright orange only
Sizes	Boys

Frameset

Frame construction	TIG-welded
Frame material	Chromoly/hi-tensile steel
Fork	Schwinn
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	1-piece steel, 44 teeth
Bottom bracket	One piece
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	1/2 x 3/32"
Pedals	Platform, resin

Brakes

Brakes	Dia-Compe Bulldog front/990 rear brakes, aluminum levers

Cockpit & contact points

Headset	1 1/8" threadless Tange w/SST Oryg detangler
Handlebar	Steel
Handlebar extensions	N/A
Stem	Aluminum
Saddle	Padded vinyl
Seatpost	Steel micro-adjust layback

Wheels & tires

Hubs	ACS 5-spoke Mag
Rims	ACS 5-spoke Mag
Spokes	Reinforced nylon, molded
Spoke nipples	N/A
Front tire	20 x 1.95" Schwinn XS Hucker
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 2, 2026.