Specialized Sirrus 4.0

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.

Specialized Sirrus 4.0 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 2×9 Shimano Sora Road components for intuitive and precise shifting.

Frame	Specialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts
Fork	Specialized FACT carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts
Handlebars	Double-butted alloy, 9-degree backsweep, 31.8mm
Stem	3D-forged alloy, 31.8mm, 7-degree rise
Tape	Specialized Body Geometry, lock-on, integrated bar ends, hidden 4/5mm hex key
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, 9-speed
Front Derailleur	microSHIFT R9, 9-speed, 31.8mm clamp
Rear Derailleur	Shimano Sora, 9-speed
Cassette	Shimano Sora, 9-speed, 11-34t
Crankset	Shimano MT210-2, 2-Piece, 9-speed, 46/30T
Chainrings	46/30T
Bottom Bracket	Shimano 68mm threaded
Chain	KMC X9, 9-speed w/ Missing Link?
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
Saddle	Body Geometry Power Sport, steel rails
Rear Tire	RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
SeatPost	Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Inner Tubes	Presta, 48mm valve
Pedals	Specialized Body Geometry Fitness, platform, plastic
Seat Binder	Integrated w/ frame