Bicycle Archive · Specification report

1999 Mongoose Stormer (01)

Velopedia Archive ID 89952

Overview

Model year	1999
Brand	Mongoose
Model	Stormer (01)
Bicycle type	Juvenile mountain bike, non-suspension
Archive ID	89952
Original MSRP	$249.99
Colors	Teal Pearl
Sizes	Girls

Frameset

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

Drivetrain

Component group	Mountain Mix
Shifters	Grip Shift MRX-200
Front derailleur	Shimano Tourney TY-22 top-swing
Rear derailleur	Shimano Tourney TY-22
Crankset	Mongoose 3-piece, 28/38/48 teeth
Rear cogs	7-speed, 14 - 28 teeth
Chain	Shimano CN-UG50, 1/2 x 3/32"
Pedals	Platform, resin

Brakes

Brakes	Chang Star linear-pull brakes, Chang Star aluminum levers

Cockpit & contact points

Headset	1" Mongoose steel
Handlebar	Mongoose chromoly
Handlebar extensions	Not included
Stem	Steel
Saddle	Mongoose Jr.
Seatpost	Mongoose, 22.2mm (7/8 inch) diameter

Wheels & tires

Hubs	Mongoose OS
Rims	Weinmann 519, 36-hole
Spokes	UCP, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	24 x 1.95" Mongoose
Wheel size	24" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.