Bicycle Archive · Specification report

2004 Diamondback Topanga EX

Velopedia Archive ID 31733

Overview

Model year	2004
Brand	Diamondback
Model	Topanga EX
Bicycle type	Mountain bike, front suspension
Archive ID	31733
Original MSRP	$460.00
Colors	Gloss Silver/Navy Blue, Satin Black/Nickel
Sizes	14", 16", 18", 20", 22"

Frameset

Frame construction	TIG-welded
Frame material	Vectra 7005 Aluminum
Fork	Rock Shox Judy TT, 100mm
Fork material	Aluminum, single crown
Rear shock	N/A

Drivetrain

Component group	Mountain Mix
Shifters	Shimano Deore RapidFire
Front derailleur	Shimano Alivio, top-pull/clamp-on 31.8mm
Rear derailleur	Shimano Deore
Crankset	Shimano FC-MC20L, 22/32/44 teeth
Bottom bracket	Sealed cartridge
BB shell width	68mm English
Rear cogs	9-speed, 11 - 32 teeth
Chain	SRAM PC-49, 1/2 X 3/32"
Pedals	Atb

Brakes

Brakes	Tektro linear-pull brakes, Tektro linear-pull levers

Cockpit & contact points

Headset	1 1/8" integrated OS Zero Stack
Handlebar	ATB Aluminum 30mm rise
Handlebar extensions	Not included
Stem	DB Chaos, 4-Bolt
Saddle	WTB Speed V
Seatpost	Aluminum micro-adjust, 27.2mm diameter

Wheels & tires

Hubs	Aluminum
Rims	Alex AL-DM18, 32-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Front tire	26 x 2.10" WTB VelociRaptor
Wheel size	26" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.