Bicycle Archive · Specification report

1998 Wheeler 3900ZX

Velopedia Archive ID 71840

Overview

Model year	1998
Brand	Wheeler
Model	3900ZX
Bicycle type	Mountain bike, front suspension
Archive ID	71840
Original MSRP	$529.00
Colors	Bombastic
Sizes	16", 18", 19.5", 21"

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum
Fork	Marzocchi Zokes Pro
Fork material	Aluminum, triple-clamp crown
Rear shock	N/A

Drivetrain

Component group	Mountain Mix
Shifters	Shimano STX-RC RapidFire SL
Front derailleur	Shimano Alivio top-swing, top-pull
Rear derailleur	Shimano STX
Crankset	Shimano Alivio, 24/34/42 teeth
Rear cogs	7-speed, 11 - 28 teeth
Chain	1/2 x 3/32"
Pedals	Aluminum

Brakes

Brakes	Shimano STX-RC M-System brakes, Shimano STX-RC levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset
Handlebar	Aluminum
Handlebar extensions	Not included
Stem	HOT Components aluminum
Saddle	Wheeler
Seatpost	Alutrax aluminum

Wheels & tires

Hubs	Front: Shimano Altus, Rear: Shimano Alivio
Rims	Aluminum, 36-hole
Spokes	Stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	26 x 1.95" IRC Mythos XC
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	558 mm
Head-tube angle	70.5°
Seat-tube angle	73.5°
Chainstay / rear center	425 mm
Wheelbase	1063 mm
Fork offset / rake	40.6 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 22, 2026.