Bicycle Archive · Specification report

1999 Mongoose FX-1

Velopedia Archive ID 89081

Overview

Model year	1999
Brand	Mongoose
Model	FX-1
Bicycle type	Freestyle/jumping
Archive ID	89081
Original MSRP	$379.99
Colors	Candy Blue

Frameset

Frame construction	TIG-welded
Frame material	Chromoly main triangle/hi-tensile steel rear stays
Fork	Mongoose
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	Mongoose 1-piece, 43 teeth
Bottom bracket	N/A
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	KMC, 1/2 x 3/32"
Pedals	Mongoose aluminum

Brakes

Brakes	Tektro U-brake front/Dia-Compe Bulldog rear brakes, Tektro levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset
Handlebar	Mongoose chromoly
Handlebar extensions	Not included
Stem	Mongoose alloy
Saddle	Mongoose Freestyle
Seatpost	Mongoose, 22.2mm (7/8 inch) diameter

Wheels & tires

Hubs	Mongoose OS
Rims	Mongoose aluminum, 48-hole
Spokes	Stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	Mongoose Blur.2

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