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.
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Lightweight Frame: Aluminum Alloy and carbon fiber construction for a responsive, efficient ride.
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Carbon FACT 9 Fork: Delivers comfort and saves nearly 3 pounds over Sirrus 2.0.
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Reliable Drivetrain: MicroSHIFT 2x9 components built to withstand years of daily abuse.
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Hydraulic Disc Brakes: Powerful stopping power in any condition, rain or shine.
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Body Geometry Touchpoints: Ergonomically designed to take the sting out of longer rides.
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Ready for Cargo: Plug + Play rack and fender mounts for versatility.
Sirrus features a super light Aluminum Alloy and carbon fiber construction, as well as reliable MicroSHIFT components that are built to withstand years of daily abuse on the world's pavement. 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 Fork
Carbon FACT 9r fork delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model — making every ride smoother and faster.
Wide-Range Drivetrain
Wide range 2x9 MicroSHIFT components for intuitive and precise shifting — ready for any terrain or distance.
Lightweight 2-Piece Crank
Lightweight 2-piece crank for years of reliable performance, delivering efficient power transfer every pedal stroke.
Hydraulic Disc Brakes
Tektro HD-R280 hydraulic disc brakes with resin pads provide reliable stopping power in any condition.
Body Geometry
Ergonomically designed Body Geometry touchpoints take the sting out of longer rides, keeping you comfortable mile after mile.
Versatile Mounts
Plug + Play rack and fender mounts make it easy to customize your Sirrus for commuting, touring, or everyday riding.
Frameset
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
Seat Binder
Bolt-type, 31.8mm
Suspension
Fork
Specialized FACT 9r Carbon, flat-mount disc, quick-release
Brakes
Front Brake
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Rear Brake
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
Drivetrain
Crankset
Forged aluminum arms, 2-piece, 24mm spindle, 46/30T
Chain
KMC X9, 9-speed w/ Missing Link™
Cassette
MicroSHIFT H092, 9-speed, 11-34t
Rear Derailleur
MicroSHIFT RD-R43M, medium cage
Front Derailleur
MicroSHIFT R9, 9-speed, 31.8mm clamp
Shift Levers
MicroSHIFT, 9-speed
Bottom Bracket
Shimano Threaded BSA BB
Wheels & Tires
Rims
700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
Front Tire
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tire
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Front Hub
Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Rear Hub
Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h
Inner Tubes
Presta, 48mm valve
Cockpit
Stem
3D-forged alloy, 31.8mm, 7-degree rise
Seatpost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Saddle
Bridge Sport, Steel rails, 155/143mm
Handlebars
Double-butted alloy, 9-degree backsweep, 31.8mm
Tape
Specialized Body Geometry Contour, lock-on
Accessories
Pedals
Specialized Body Geometry Fitness, platform, plastic