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2012 Specialized

Sirrus Pro

A 700c aluminum frame fitness bike with mid-range components and tektro rim brakes.
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FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 10
GroupsetApex
BrakesTektro Rim
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

Sirrus Pro

35 mph

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Highest gear

(descending)

Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes
  • 5'8", size SM, Just right
  • 6'1", size MD, Just right
Geometry
Specs
Build
Frame

Specialized E5 aluminum, fully manipulated butted tubing, smooth weld, carbon SS w/ Zertz, internal cable routing, tapered/integrated headset, fender/rack eyelets

Fork

Specialized FACT carbon legs, aluminum crown/steerer, Zertz inserts, fender eyelets

Bottom Bracket

Cartridge, external bearing

Headset

1-1/8"" sealed Cr-Mo Campy Style integrated bearings, 15mm alloy cone spacer with 30mm of spacers

Stem

Specialized EliteSet, 3D forged alloy, 12-degree, 4-position adjustable, 4-bolt, 31.8mm clamp

Handlebar

Specialized DB, butted alloy, flat bar, 6-degree bend, 31.8mm

Saddle

Body Geometry Targa Comp, Cr-Mo rails, 143mm

Seatpost

Specialized Elite, carbon/alloy, 27.2mm

TypeRigid

Pedals

Sirrus pedal, 1.5mm Varus Angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable

Groupset
Rear Derailleur

SRAM Apex

Front Derailleur

SRAM Apex

Crank

FSA Omega compact

Shifters

SRAM SL trigger, 10-speed

Cassette

SRAM Apex, 10-speed, 11-32t

Chain

KMC DX10SC

Brakes

Front: Tektro 2D linear pull, cartridge pads, Rear: Tektro 2D linear pull, cartridge pads

TypeTektro Rim

Brake Levers

Tektro 1.0 forged alloy

Wheels
Rims

Sirrus 460V, 27mm semi-aero, 24/32h

Spokes

Stainless 2.0mm threadlocked

Front Hub

Sirrus 460V, forged alloy, double sealed, smooth ground race, 24h

Rear Hub

Forged alloy, sealed mechanism, ground races, cassette, custom shape and graphic, 32h

Tires

Front: Specialized All Condition Armadillo Elite, 120 TPI, aramid bead, 700x28c, Rear: Specialized All Condition Armadillo Elite, 120 TPI, aramid bead, 700x28c

Rider Notes
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First added July 9

Last updated July 9

Not listed for 2,521 days