Bicycle Archive · Specification report

1999 Schwinn Pro Stock 3 Mini

Velopedia Archive ID 89920

Overview

Model year	1999
Brand	Schwinn
Model	Pro Stock 3 Mini
Bicycle type	BMX
Archive ID	89920
Original MSRP	$329.95
Colors	Gloss White
Sizes	Mini

Frameset

Frame construction	TIG-welded
Frame material	6061 T6 aluminum
Fork	Schwinn
Fork material	4130 chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	3-piece aluminum, 42 teeth
Bottom bracket	Three piece, sealed
Rear cogs	1-speed, 16 teeth
Chain	1/2 x 1/8"
Pedals	Schwinn XS

Brakes

Brakes	Aluminum calipers rear brakes, aluminum rear levers

Cockpit & contact points

Headset	1" threadless Tange
Handlebar	Schwinn XS chromoly
Handlebar extensions	N/A
Stem	Schwinn XS
Saddle	Uni mini
Seatpost	Schwinn XS micro-adjust, 20.4mm diameter

Wheels & tires

Hubs	Schwinn XS alloy
Rims	Alloy, 32-hole
Spokes	UCP, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1 3/8" Comp III style
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 5, 2026.