VelopediaBicycle Archive · Specification report

1997 Diamondback Assault

Velopedia Archive ID 63088

Overview

Model year1997
BrandDiamondback
ModelAssault
Bicycle typeBMX
Archive ID63088
Original MSRP$220.00
ColorsBlack, chrome-plated
SizesBoys 9.5"
Weight26 lb

Frameset

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

Drivetrain

Component groupN/A
ShiftersN/A
Front derailleurN/A
Rear derailleurN/A
Crankset1-piece chromoly, 44 teeth
Bottom bracketVictor VPB-35
BB shell width68mm Threadless
Rear cogs1-speed, 16 teeth
ChainKMC 410, 1/2 x 1/8"
PedalsWellgo LU-363

Brakes

BrakesTektro 869AG brakes, Lee Chi 316A-1 levers

Cockpit & contact points

Headset1" Victor VP-H75
HandlebarHsin Lung
Handlebar extensionsN/A
StemHsin Lung
SaddleVelo VL-247
SeatpostChromoly, 26.0 mm diameter

Wheels & tires

HubsKing Kong 370
RimsWeinmann 4019, 36-hole
SpokesShuhn Lih steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tireFront: 20 x 2.125" Comp III style, Rear: 20 x 1.75" Comp III style
Wheel size20" wheels

Geometry · Legacy reference

Top tube533.4 mm
Head-tube angle75°
Seat-tube angle71°
Chainstay / rear center393.7 mm
Wheelbase965.2 mm
Fork offset / rake30.5 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 24, 2026.