VelopediaBicycle Archive · Specification report

1998 Diamondback Interval

Velopedia Archive ID 72421

Overview

Model year1998
BrandDiamondback
ModelInterval
Bicycle typeRoad/sport
Archive ID72421
Original MSRP$400.00
ColorsGloss black
Sizes19", 21", 23", 25"
Weight26.6 lb

Frameset

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

Drivetrain

Component groupRoad Mix
ShiftersShimano RSX down-tube
Front derailleurShimano RX-100 top-swing, bottom-pull/clamp-on 28.6mm
Rear derailleurShimano RSX SS
CranksetTracer 212RD, 26/36/46 teeth
Bottom bracketShimano BB-LP26, 118mm spindle
BB shell width68mm English
Rear cogs7-speed, 13 - 26 teeth
ChainSachs PC-10, 1/2 x 3/32"
PedalsWellgo LU-301 w/clips & straps

Brakes

BrakesTektro 520AG brakes, Tektro RBP-220A levers

Cockpit & contact points

Headset1" YST steel
HandlebarDiamondback aluminum
Handlebar extensionsN/A
StemDiamondback
SaddleAvenir Comfort Master
SeatpostAvenir aluminum micro-adjust, 26.0mm diameter

Wheels & tires

HubsAluminum, Q/R
RimsAlex DA-16, 32-hole
SpokesOrient stainless steel, 2.0mm straight gauge
Spoke nipplesBrass nipples
Front tire700 x 25c Cheng Shin C-732
Wheel size700c wheels

Geometry · Legacy reference

Top tube576.6 mm
Head-tube angle73°
Seat-tube angle73°
Chainstay / rear center419.1 mm
Wheelbase1016 mm
Fork offset / rake45 mm

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