Specialized – Sirrus 3.0 ST
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 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. 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 fork delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model.
Wide range 2×9 MicroSHIFT components for intuitive and precise shifting.
Lightweight 2 piece crank for years of performance.
Frame Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
Fork Specialized FACT 9r Carbon, flat-mount disc, quick-release
Double-butted alloy, 9-degree backsweep, 31.8mmStem3D-forged alloy, 31.8mm, 7-degree rise
Tape Specialized Body Geometry Contour, lock-on
Saddle Bridge Sport, Steel rails, 155/143mm
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 Leversmicro SHIFT, 9-speed
Front Derailleur microSHIFT R9, 9-speed, 31.8mm clamp
Rear Derailleur MicroSHIFT RD-R43M, medium cage
Cassette MicroSHIFT H092, 9-speed, 11-34t
Crankset Forged aluminum arms, 2-piece, 24mm spindle, 46/30T
Bottom Bracket Threaded BSA 68mm, 24mm spindle
Chain KMC X9, 9-speed w/ Missing Link™
Rims 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
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
Spokes Stainless, 14g
Front Tire Road Sport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tire RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32cInner Tubes700x28/38mm, 48mm Presta valve
SeatPost Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Pedals Specialized Body Geometry Fitness, platform, plastic