2012 Specialized

Sirrus Sport

A 700c aluminum frame fitness bike with mid-range components and rim brakes.
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FrameAluminum
SuspensionRigid
ForkSteel
Wheels700c Aluminum
Drivetrain3 × 9
GroupsetAcera, Suntour
BrakesRim
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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)

38 mph

Sirrus Sport

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
Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

Specialized A1 Premium Aluminum, fully manipulated butted tubing, integrated lower bearing, fender/rack eyelets

Fork

Steel straight blade, fender eyelets

Bottom Bracket

Sealed cartridge, square taper, 68mm

Headset

1-1/8"" Integrated cartridge lower, external sealed upper bearing

Stem

Alloy, 20-degree, 25.4mm clamp

Handlebar

Sirrus alloy flat bar, 6-degree bend

Saddle

Body Geometry Targa Sport, 155mm

Seatpost

Alloy, double bolt, 27.2mm

TypeRigid

Pedals

Sirrus pedal, 1.5mm Varus Wedge, nylon body with symmetric steel cage, low profile bearing system, toe clip capable

Groupset
Rear Derailleur

Shimano Acera 9-speed

Front Derailleur

Shimano Acera, 31.8mm, top swing

Crank

SR Suntour XCR

Shifters

Shimano Acera Rapidfire, 9-speed

Cassette

Shimano Alivio, 9-speed, 11-32t

Chain

KMC X9 nickel plate, reusable Missing Link

Brakes

Front: Alloy linear pull, Rear: Alloy linear pull

TypeRim

Brake Levers

Die cast ""V""-brake lever, linear pull

Wheels
Rims

Sirrus DLX700, double-wall, 700c, CNC machined, 32h

Spokes

Stainless 2.0mm threadlocked

Front Hub

Forged alloy, sealed, alloy quick release, 32h

Rear Hub

Forged alloy, sealed, cassette, alloy quick release, 32h

Tires

Front: Specialized Nimbus w/ Flak Jacket, 26 TPI, 700x32c, Rear: Specialized Nimbus w/ Flak Jacket protection, 26 TPI, 700x32c

Rider Notes
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Last updated July 9
Not listed for 1,761 days