VelopediaBicycle Archive · Specification report

1998 Diamondback Assault (02)

Velopedia Archive ID 76147

Overview

Model year1998
BrandDiamondback
ModelAssault (02)
Bicycle typeBMX cruiser
Archive ID76147
Original MSRP$250.00
ColorsFlat black w/chrome-plated
SizesCruiser

Frameset

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

Drivetrain

Component groupN/A
ShiftersN/A
Front derailleurN/A
Rear derailleurN/A
CranksetDiamondback, 41 teeth
Bottom bracketYST BB 621
BB shell widthAmerican 24tpi
Rear cogs1-speed, 16 teeth
ChainKMC HP-20, 1/2 x 1/8"
PedalsPlatform, aluminum

Brakes

BrakesLee Chi ProMax linear-pull brakes, Lee Chi ProMax levers

Cockpit & contact points

Headset1 1/8" threadless YST CS558
HandlebarDiamondback cruiser
Handlebar extensionsN/A
StemDiamondback aluminum
SaddleDiamondback padded
SeatpostLee Chi SP-204, 25.4mm diameter

Wheels & tires

HubsKing Kong aluminum, nutted
RimsKin Lin RT-6n, 36-hole
SpokesShuhn Lih steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tire24 x 1.95" Cheng Shin Comp III type
Wheel size24" wheels

Geometry · Legacy reference

Top tube546.1 mm
Head-tube angle73°
Seat-tube angle72°
Chainstay / rear center414 mm
Wheelbase1010.9 mm
Fork offset / rake33 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.