VelopediaBicycle Archive · Specification report

2004 Specialized Sirrus

Velopedia Archive ID 92350

Overview

Model year2004
BrandSpecialized
ModelSirrus
Bicycle typeHybrid
Archive ID92350
Original MSRP$500.00
ColorsPearl White
SizesXsmall, small, medium, large, xlarge

Frameset

Frame constructionTIG-welded
Frame materialSpecialized A1 aluminum
ForkSpecialized
Fork materialChromoly, unicrown crown
Rear shockN/A

Drivetrain

Component groupHybrid Mix
ShiftersShimano ST-EF35 EZ Fire STI
Front derailleurShimano FC-T301, bottom-pull/clamp-on 31.8mm
Rear derailleurShimano Sora
CranksetSpecialized Fivearm, 28/38/48 teeth
Bottom bracketTien Hsin cartridge, 113mm spindle
BB shell width68mm English
Rear cogs8-speed, 12 - 30 teeth
ChainShimano CN-HG50, 1/2 x 3/32"
PedalsSpecialized aluminum platform

Brakes

BrakesAluminum linear-pull brakes, Shimano ST-EF35 EZ Fire STI levers

Cockpit & contact points

Headset1 1/8" threadless Intellaset
HandlebarSpecialized aluminum
Handlebar extensionsNot included
StemSpecialized aluminum
SaddleSpecialized Body Geometry Milano Comfort Max
SeatpostKalloy SP-245 suspension, 27.2mm diameter

Wheels & tires

HubsAluminum, Q/R
RimsAlex DA-16, 32-hole
SpokesSpecialized stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipplesBrass nipples
Front tire700 x 28c Specialized All Conditions Spo
Wheel size700c wheels

Geometry · Legacy reference

Top tube545 mm
Head-tube angle72°
Seat-tube angle74°
Chainstay / rear center425 mm
Wheelbase1016 mm
Fork offset / rake46 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.