Bicycle Archive · Specification report

1999 Dean Duke Expert SC70XC (01)

Velopedia Archive ID 89064

Overview

Model year	1999
Brand	Dean
Model	Duke Expert SC70XC (01)
Bicycle type	Mountain bike, front & rear suspension
Archive ID	89064
Original MSRP	$2,739.00
Colors	Brushed, Polished, Satin
Sizes	Large, medium, small

Frameset

Frame construction	TIG-welded
Frame material	3Al/2.5V titanium
Fork	White Brothers SC70 XC, 2.75" travel
Fork material	Aluminum, triple-clamp crown
Rear shock	Stratos Strata Pro, 1.25" travel

Drivetrain

Component group	Shimano Deore LX/XT
Shifters	Shimano Deore LX RapidFire SL
Front derailleur	Shimano Deore XT
Rear derailleur	Shimano Deore XT
Crankset	Shimano Deore LX
Bottom bracket	Shimano Deore LX
BB shell width	68mm English
Rear cogs	9-speed
Chain	Shimano CN-HG72, 1/2 x 3/32"
Pedals	Not included

Brakes

Brakes	Rhino linear-pull brakes, Shimano Deore LX levers

Cockpit & contact points

Headset	1 1/8" threadless Aheadset Kontak SA
Handlebar	Rhino
Handlebar extensions	Not included
Stem	Dean Aluminum
Saddle	Bontrager, chromoly rails
Seatpost	Dean Aluminum, 27.2mm diameter

Wheels & tires

Hubs	Shimano Deore LX
Rims	Mavic X222
Spokes	Stainless steel
Front tire	Irc

Geometry · Legacy reference

Top tube	584.2 mm
Head-tube angle	71°
Seat-tube angle	73°
Chainstay / rear center	425.4 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 9, 2026.