Bicycle Archive · Specification report

1999 Mongoose NX 6.5 (01)

Velopedia Archive ID 88589

Overview

Model year	1999
Brand	Mongoose
Model	NX 6.5 (01)
Bicycle type	Mountain bike, front suspension
Archive ID	88589
Original MSRP	$579.99
Colors	Wired Orange
Sizes	Large, medium, small

Frameset

Frame construction	TIG-welded
Frame material	Aluminum
Fork	Rock Shox Jett C, 1.8" travel
Fork material	Aluminum/magnesium, triple-clamp crown
Rear shock	N/A

Drivetrain

Component group	Mountain Mix
Shifters	Shimano Alivio RapidFire SL
Front derailleur	Shimano Alivio top-swing, top-pull
Rear derailleur	Shimano STX-RC
Crankset	SR XR27, 22/32/42 teeth
Rear cogs	8-speed, 11 - 28 teeth
Chain	Shimano CN-IG31, 1/2 x 3/32"
Pedals	Resin w/clips & straps

Brakes

Brakes	Tektro 824A linear-pull brakes, Tektro RBP-381A levers

Cockpit & contact points

Headset	1 1/8" threadless Tioga TG
Handlebar	Mongoose Comp Series 6061
Handlebar extensions	Not included
Stem	Mongoose alloy
Saddle	Mongoose Dual Density
Seatpost	Mongoose micro-adjust

Wheels & tires

Hubs	Mongoose OS
Rims	Weinmann Zac 19, 36-hole
Spokes	Stainless steel, 2.0mm straight gauge
Front tire	26 x 2.00" Kenda Krisp
Wheel size	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.