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Specialized Sirrus 4.0
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Specialized Sirrus 4.0

Condition New

You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it's a good thing we made Sirrus to help you with all of it. Wherever you're heading, Sirrus will take you there. Sirrus features a super light carbon fiber construction, as well as reliable Shimano components that are built to withstand years of daily abuse on the world's pavement. Powerful hydraulic disc brakes provide reliable stopping power in any condition, and comfortable, ergonomically designed Body Geometry touchpoints are there to take the sting out of longer rides. So, as you push yourself to reach your goals, you'll feel more connected to your bike and know that you have the perfect partner with Sirrus.

Carbon fact 9 frame and fork saves over 1.4 pounds (.6kg) and is a piece of art all unto itself.
Through axle hub connection for positive wheel alignment and no rub Disc brakes.
Wide range 2x9 Shimano Sora Road components for intuitive and precise shifting.

Technical Specifications

Frame	Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/fender mounts
Fork	Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
Handlebars	Double-butted alloy, 9-degree backsweep, 31.8mm
Stem	Future Stem, Comp
Tape	Specialized Body Geometry Contour, lock-on
SeatPost	Alloy, 2-bolt, 14mm offset, 27.2mm
Seat Binder	Bolt-type, 31.8mm
Front Brake	Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Rear Brake	Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
Shift Levers	MicroSHIFT, 10-speed
Front Derailleur	MicroSHIFT FD-R522, Band-clamp
Rear Derailleur	MicroSHIFT RD-R55S, short cage
Cassette	Sunrace CSRS0, 10-speed, 11-32t
Chain	KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™
Crankset	Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed
Chainrings	48/32T
Bottom Bracket	Praxis M24, BSA
Front Hub	Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h
Rims	700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Rear Hub	Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h
Spokes	Stainless, 14g
Front Tire	RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tire	RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Saddle	Body Geometry Power Sport, steel rails
Inner Tubes	700x28/38mm, 48mm Presta valve
Pedals	Specialized Body Geometry Fitness, platform, plastic

Specialized Body Geometry Fitness, platform, plastic

* Specifications are subject to change without notice

XS	S	M	L	XL	XXL
Crank Length	165MM	165MM	170MM	170MM	175MM	175MM
Handlebar Width	580mm	580mm	600mm	600mm	620mm	620mm
Stem Length	70mm	70mm	80mm	90mm	100mm	110mm
Saddle Width	155mm	155mm	143mm	143mm	143mm	143mm
Seatpost Length	300mm	300mm	350mm	350mm	400mm	400mm
Stack	585mm	602mm	631mm	649mm	687mm	709mm
Reach	355mm	371mm	384mm	386mm	398mm	410mm
Head-Tube Length	125mm	143mm	169mm	186mm	223mm	246mm
Head-Tube Angle	70°	70°	71°	71.5°	72°	72°
B-B Height	275mm	275mm	275mm	275mm	275mm	275mm
B-B Drop	70mm	70mm	70mm	70mm	70mm	70mm
Trail	71mm	71mm	65mm	62mm	58mm	58mm
Fork Length (full)	390mm	390mm	390mm	390mm	390mm	390mm
Fork Rake/Offset	51mm	51mm	51mm	51mm	51mm	51mm
Front-Center	602mm	625mm	635mm	637mm	656mm	675mm
Chain-Stay Length	435mm	435mm	435mm	435mm	435mm	435mm
Wheelbase	1027mm	1050mm	1060mm	1063mm	1082mm	1101mm
Top-Tube Length (horizontal)	532mm	554mm	573mm	580mm	603mm	628mm
Bike Stand-Over Height	714mm	756mm	788mm	813mm	849mm	875mm
Seat-Tube Length	355mm	416mm	453mm	483mm	533mm	563mm
Seat-Tube Angle	73.5°	73.5°	73.5°	73.5°	73.5°	73°