VelopediaBicycle Archive · Specification report

2001 Diamondback Viper X

Velopedia Archive ID 36060

Overview

Model year2001
BrandDiamondback
ModelViper X
Bicycle typeBMX
Archive ID36060
Original MSRP$199.99
ColorsBack N' Black, Bonfire Orange, Chrome-Plated
SizesPro

Frameset

Frame constructionTIG-welded
Frame materialChromoly main triangle/hi-tensile steel rear stays
ForkDiamondback
Fork materialSteel, unicrown crown
Rear shockN/A

Drivetrain

Component groupN/A
ShiftersN/A
Front derailleurN/A
Rear derailleurN/A
Crankset1-piece 175mm, 44 teeth
Bottom bracketSteel retainer style
Rear cogs1-speed, 16 teeth
ChainKMC Z410, 1/2 x 3/32"
PedalsAluminum platform

Brakes

BrakesTektro 923A rear brakes, Tektro 287A rear levers

Cockpit & contact points

Headset1 1/8" threadless Tange Seiki TG-3
HandlebarChromoly BMX
Handlebar extensionsNot included
StemAluminum
SaddlePadded BMX
SeatpostAluminum micro-adjust, 26.0mm diameter

Wheels & tires

HubsAluminum
RimsAlex X-303, 36-hole
Front tireFront: 20 x 2.125" Tioga Comp III, Rear: 20 x 1.75" Tioga Comp III
Wheel size20" wheels

Geometry · Legacy reference

Top tube520.7 mm
Head-tube angle74°
Seat-tube angle71°
Chainstay / rear center387.3 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.