Bicycle comparison

1999 Diamondback Expert · 1998 Diamondback Expert

Specification	1999 Diamondback Expert	1998 Diamondback Expert
Overview
Model year	1999	1998
Brand	Diamondback	Diamondback
Model	Expert	Expert
Bicycle type	Road/sport	Road/sport
Archive ID	83267	78897
Original MSRP	$699.99	$600.00
Colors	Midnight Blue	Silver pearl
Sizes	19", 21", 23", 25"	19", 21", 23", 25"
Weight	24.5 lb	25 lb
Frameset
Frame construction	TIG-welded	TIG-welded
Frame material	7005 aluminum w/replaceable derailleur hanger	Chromoly
Fork	Diamondback	Diamondback
Fork material	Chromoly, unicrown crown	Chromoly, unicrown crown
Rear shock	N/A	N/A
Drivetrain
Component group	Shimano RSX	Shimano RSX
Shifters	Shimano RSX STI Dual Control	Shimano RX-100 STI Dual Control
Front derailleur	Shimano RSX, bottom-pull/clamp-on 31.8mm	Shimano RSX top-swing, bottom-pull/clamp-on 28.6mm
Rear derailleur	Shimano RSX GS	Shimano RSX SS
Crankset	Shimano RSX, 30/42/52 teeth	Shimano RSX, 26/36/46 teeth
Bottom bracket	Shimano BB-LP27, 118mm spindle	Shimano BB-LP26, 110mm spindle
BB shell width	68mm English	68mm English
Rear cogs	8-speed, 12 - 25 teeth	7-speed, 11 - 24 teeth
Chain	Shimano CN-IG51, 1/2 x 3/32"	Sachs PC-10, 1/2 x 3/32"
Pedals	Wellgo aluminum	Wellgo LU-301 w/clips & straps
Brakes
Brakes	Shimano RX-100 Dual Pivot brakes, Shimano RSX levers	Shimano 300EX brakes, Shimano RSX levers
Cockpit & contact points
Headset	1" Tien Hsin	1" Tioga Expert
Handlebar	Kalloy AL-038	Diamondback aluminum
Handlebar extensions	N/A	N/A
Stem	Lee Chi	Diamondback
Saddle	Diamondback Sport	Avenir Sport Master
Seatpost	Kalloy SP-339, 27.2mm diameter	Avenir aluminum micro-adjust, 26.0mm diameter
Wheels & tires
Hubs	Shimano RSX	Shimano RSX
Rims	Alex DA-16, 32-hole	Alex DA-16, 32-hole
Spokes	Shuhn Lih stainless steel, 2.0mm straight gauge	Orient stainless steel, 2.0mm straight gauge
Spoke nipples	Brass nipples	Brass nipples
Front tire	700 x 23c Continental Super Sport 100	700 x 23c Continental Super Sport
Wheel size	700c wheels	700c wheels

Specification

1999 Diamondback Expert

1998 Diamondback Expert

Overview

Model year

1999

1998

Brand

Diamondback

Model

Expert

Bicycle type

Road/sport

Archive ID

83267

78897

Original MSRP

$699.99

$600.00

Colors

Midnight Blue

Silver pearl

Sizes

19", 21", 23", 25"

Weight

24.5 lb

25 lb

Frameset

Frame construction

TIG-welded

Frame material

7005 aluminum w/replaceable derailleur hanger

Chromoly

Fork

Diamondback

Fork material

Chromoly, unicrown crown

Rear shock

N/A

Drivetrain

Component group

Shimano RSX

Shifters

Shimano RSX STI Dual Control

Shimano RX-100 STI Dual Control

Front derailleur

Shimano RSX, bottom-pull/clamp-on 31.8mm

Shimano RSX top-swing, bottom-pull/clamp-on 28.6mm

Rear derailleur

Shimano RSX GS

Shimano RSX SS

Crankset

Shimano RSX, 30/42/52 teeth

Shimano RSX, 26/36/46 teeth

Bottom bracket

Shimano BB-LP27, 118mm spindle

Shimano BB-LP26, 110mm spindle

BB shell width

68mm English

Rear cogs

8-speed, 12 - 25 teeth

7-speed, 11 - 24 teeth

Chain

Shimano CN-IG51, 1/2 x 3/32"

Sachs PC-10, 1/2 x 3/32"

Pedals

Wellgo aluminum

Wellgo LU-301 w/clips & straps

Brakes

Shimano RX-100 Dual Pivot brakes, Shimano RSX levers

Shimano 300EX brakes, Shimano RSX levers

Cockpit & contact points

Headset

1" Tien Hsin

1" Tioga Expert

Handlebar

Kalloy AL-038

Diamondback aluminum

Handlebar extensions

N/A

Stem

Lee Chi

Diamondback

Saddle

Diamondback Sport

Avenir Sport Master

Seatpost

Kalloy SP-339, 27.2mm diameter

Avenir aluminum micro-adjust, 26.0mm diameter

Wheels & tires

Hubs

Shimano RSX

Rims

Alex DA-16, 32-hole

Spokes

Shuhn Lih stainless steel, 2.0mm straight gauge

Orient stainless steel, 2.0mm straight gauge

Spoke nipples

Brass nipples

Front tire

700 x 23c Continental Super Sport 100

700 x 23c Continental Super Sport

Wheel size

700c wheels

Geometry comparison

One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.

Measurement	1999 Diamondback Expert	1998 Diamondback Expert
Selected size / position	Legacy reference	Legacy reference
Head-tube angle	72°	73°
Seat-tube angle	73.5°	73°
Chainstay / rear center	414 mm	419.1 mm
Wheelbase	993.1 mm	1016 mm
Fork offset / rake	45 mm	45 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 12, 2026.