Bicycle Archive · Specification report

2002 Diamondback X-20

Velopedia Archive ID 91386

Overview

Model year	2002
Brand	Diamondback
Model	X-20
Bicycle type	Mountain bike, front & rear suspension
Archive ID	91386
Original MSRP	$769.99
Colors	Black/Blue
Sizes	Large, medium, small

Frameset

Frame construction	TIG-welded
Frame material	7005 T6 aluminum w/replaceable derailleur hanger
Fork	Suntour XCR-95, 3.0" travel
Fork material	Aluminum, single triple-clamp crown
Rear shock	RST 22, 1.25" travel

Drivetrain

Component group	Mountain Mix
Shifters	Shimano Deore
Front derailleur	Shimano Deore LX, bottom-pull/clamp-on 31.8mm
Rear derailleur	Shimano Deore SGS
Crankset	Shimano FC-M440, 22/32/44 teeth
Bottom bracket	Sealed cartridge, 111mm spindle
BB shell width	68mm English
Rear cogs	9-speed, 11 - 32 teeth
Chain	KMC Z-9000, 1/2 x 3/16"
Pedals	Diamondback RMX platform

Brakes

Brakes	ProMax DSK-610J Mechanical Disc brakes, ProMax DBL-2064T levers

Cockpit & contact points

Headset	1 1/8" integrated Tien Hsin No.10 ZST
Handlebar	Aluminum, 1" rise
Handlebar extensions	Not included
Stem	Aluminum
Saddle	Avenir ATB SS
Seatpost	Aluminum micro-adjust, 27.2mm diameter

Wheels & tires

Hubs	Aluminum
Rims	Alex TD-17, 32-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Alloy nipples
Front tire	26 x 2.25" WTB TyranoRaptor
Wheel size	26" wheels

Geometry · Legacy reference

Top tube	576.6 mm
Head-tube angle	71°
Seat-tube angle	73°
Chainstay / rear center	431.8 mm
Wheelbase	1038.9 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 September 28, 2026.