Bicycle Archive · Specification report

1997 Wheeler 3900 ZX

Velopedia Archive ID 67031

Overview

Model year	1997
Brand	Wheeler
Model	3900 ZX
Bicycle type	Mountain bike, front suspension
Archive ID	67031
Original MSRP	$508.00
Colors	Green
Sizes	16", 18", 19.5", 21"

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum, oversize
Fork	SR DuoTrack 8007
Rear shock	N/A

Drivetrain

Component group	Shimano Alivio
Shifters	Grip Shift MRX-170
Front derailleur	Shimano AceraX top-swing, top-pull
Rear derailleur	Shimano Alivio
Crankset	24/34/42 teeth
BB shell width	68mm English
Rear cogs	7-speed, 11 - 28 teeth
Chain	KMC, 1/2 x 3/32"

Brakes

Brakes	Shimano Altus brakes, Shimano Altus levers

Cockpit & contact points

Headset	1 1/8" steel
Handlebar	Steel
Handlebar extensions	Not included
Stem	Steel
Saddle	Wheeler
Seatpost	Aluminum micro-adjust

Wheels & tires

Hubs	Aluminum nutted
Rims	Aluminum, 36-hole
Spokes	Stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	26 x 1.95" Kenda Bear Claw
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	556.3 mm
Head-tube angle	70.5°
Seat-tube angle	73.5°
Chainstay / rear center	419.1 mm
Wheelbase	1049 mm
Fork offset / rake	38.1 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 10, 2026.