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2012 Sirrus

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Combining the heart of the world's best road bikes with a flat-bar, urban-friendly…

Color:

Matte Sterling

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Product Details

Combining the heart of the world's best road bikes with a flat-bar, urban-friendly form, Sirrus redefines the notion of versatility, with Shimano 8-speed gearing for reliable performance.

All-new, super light A1 Premium Aluminum fully-manipulated frame offers a great ride and versatility with rack/fender mounts and wide tire clearance
Straight blade steel fork with fender mounts gives you all the durability you need to manage potholes and rough roads
Body Geometry Targa gel grips alleviate hand pain and tingling fingers for all-day riding comfort
Body Geometry Targa Sport fitness saddle is sporty, light, and comfortable for all types of riding
Flak Jacket protection and a grooved tread make the Specialized Nimbus tires perfect for city or open road use
Shimano Altus triple crankset plus 8-speed drivetrain for wide-range gearing and spot-on shifting, plus chainguard for peace of mind
Sirrus double-wall, machined rims for strength and reliable braking, plus alloy, sealed cassette hub with stainless spokes

Technical Specifications

FRAMESET

FRAME

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

FORK

Steel straight blade, fender eyelets

HEADSET

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

SEAT BINDER

Alloy, 31.8mm

WHEELS

RIMS

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

FRONT HUB

Forged alloy, sealed, alloy quick release, 32h

REAR HUB

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

SPOKES

Stainless 2.0mm threadlocked

FRONT TIRE

Specialized Nimbus w/ Flak Jacket, 26 TPI, 700x32c

REAR TIRE

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

INNER TUBES

Schrader valve

DRIVETRAIN

SHIFT LEVERS

Shimano EF-51, EZ Fire, 8-speed

FRONT DERAILLEUR

Shimano, top swing, dual pull

REAR DERAILLEUR

Shimano Altus 8-speed

CASSETTE

Shimano HG-31, 8-speed, 11-32t

CRANKSET

Shimano FC-M131, w/ chainguard

CHAINRINGS

48/38/28, w/ chainguard

BOTTOM BRACKET

Sealed cartridge, square taper, 68mm

CHAIN

KMC X8 nickel plate, reusable Missing Link

COCKPIT

HANDLEBARS

Sirrus alloy flat bar, 6-degree bend

STEM

Alloy, 20-degree, 25.4mm clamp

TAPE

Body Geometry Targa, non-locking

SADDLE

Body Geometry Targa Sport, 155mm

SEATPOST

Alloy, double bolt, 27.2mm

BRAKES

FRONT BRAKE

Alloy linear pull

REAR BRAKE

Alloy linear pull

BRAKE LEVERS

Shimano EF-51, 2-finger

ACCESSORIES

PEDALS

Nylon flat pedal

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

	XS	SM	MD	LG	XL
Seat-Tube Angle	73.5°	73.25°	73.5°	73°	73°
Head-Tube Length	130mm	150mm	165mm	190mm	225mm
Seat-Post Length	300mm	350mm	350mm	350mm	350mm
Head-Tube Angle	70.5°	71°	71.5°	72°	72°
Chain-Stay Length	445mm	445mm	445mm	445mm	445mm
Top-Tube Length, Horizontal	555mm	570mm	580mm	600mm	620mm
Front-Center	621mm	629mm	637mm	647mm	667mm
Handle-Bar Width	580mm	580mm	580mm	580mm	580mm
Stand-Over Height	716mm	750mm	786mm	821mm	859mm
Seat-Tube Length, B-B Center to Top	395mm	440mm	485mm	530mm	570mm
Fork Rake	51mm	51mm	51mm	51mm	51mm
B-B Drop	70mm	70mm	70mm	70mm	70mm
Trail	70mm	67mm	63mm	60mm	60mm
Wheelbase	1056mm	1065mm	1073mm	1082mm	1103mm
Crank Length	170mm	170mm	175mm	175mm	175mm
Stem Length	75mm	90mm	90mm	100mm	100mm