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2015 Sirrus

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The Sirrus with Fitness Geometry provides flat bar handling so you can ride faster…

Product Details

The Sirrus with Fitness Geometry provides flat bar handling so you can ride faster on longer rides, yet be stable and quick in town. The 24-speed drivetrain with wide gearing allows top speed with hill climbing capabilities, too.

Specialized A1 Premium Aluminium frame w/ rack/mudguard mount and wide tyre clearance
Straight blade steel fork w/ mudguard mounts provides durability in all conditions
Shimano Altus, 8-speed derailleur for clean shifting across wide gear range
Straight blade steel fork w/ mudguard mounts provides durability in all conditions
Body Geometry Targa Sport saddle w/ steel rails for all conditions comfort
Die-cast alloy V-brake for no-hassle braking performance
Body Geometry Targa Sport saddle w/ steel rails for all conditions comfort

Technical Specifications

FRAMESET

FRAME

Specialized A1 Premium Aluminium, fully manipulated butted tubing, integrated lower bearing, mudguard/rack eyelets

WHEELS

RIMS

700c, alloy double-wall, CNC sidewalls, 32h

FRONT HUB

Double-sealed, QR, 32h

REAR HUB

Double-sealed, QR, 32h

SPOKES

Stainless, 14g

FRONT TYRE

Specialized Nimbus, 26TPI, wire bead, Flak Jacket protection, 700x32c

REAR TYRE

Specialized Nimbus, 26TPI, wire bead, Flak Jacket protection, 700x32c

INNER TUBES

Standard, Schrader valve

COCKPIT

HANDLEBARS

Specialized flat, alloy, 6-degree backsweep, 25.4mm

STEM

Ahead, forged alloy, 4-bolt, 20-degree rise

HEADSET

1-1/8" FSA integrated cartridge lower, external sealed upper bearings

TAPE

Specialized Body Geometry Targa, closed end

SADDLE

Body Geometry Targa Sport, steel rails, 155mm

SEATPOST

Alloy, 2-bolt, micro-adjust, 12.5mm offset, 27.2mm

SEAT BINDER

Alloy, 31.8mm

SUSPENSION

FORK

Steel, straight blade, rack/fender mounts

DRIVETRAIN

SHIFT LEVERS

Shimano EZ Fire, 8-speed

FRONT DERAILLEUR

Shimano FD-M191, top swing, dual-pull

REAR DERAILLEUR

Shimano Altus, 8-speed

CASSETTE

Shimano, 8-speed, 11-32

CRANKSET

Shimano Altus, 8-speed triple, w/ chainguard

BOTTOM BRACKET

Square taper, cartridge bearings

CHAIN

KMC X8, 8-speed, reusable Missing Link

ACCESSORIES

PEDALS

Nylon, loose ball bearings, w/ reflectors

BRAKES

FRONT BRAKE

V-brake, linear pull, 60mm pads

REAR BRAKE

V-brake, linear pull, 60mm pads

* Weights based on production painted frames as pictured. Actual weights will vary based on colourway, 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	300mm	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	600mm	600mm	620mm
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	170mm	170mm	175mm
Stem Length	80mm	80mm	80mm	100mm	100mm