Frameset Drivetrain Components Wheels
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
Shift Levers
MicroSHIFT, 10-speed
Stem
Future Stem, Comp
Rims
700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Fork
Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
Front Derailleur
MicroSHIFT FD-R522, Band-clamp
Handlebars
Double-butted alloy, 9-degree backsweep, 31.8mm
Spokes
Stainless, 14g
Seat Post
Alloy, 2-bolt, 14mm offset, 27.2mm, Bolt-type, 31.8mm
Rear Derailleur
MicroSHIFT RD-R55S, short cage
Tape
Specialized Body Geometry Contour, lock-on
Front Hub
Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h
Saddle
Body Geometry Power Sport, steel rails
Bottom Bracket
Praxis M24, BSA
Front Brake
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Rear Hub
Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h
Crankset
Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed
Rear Brake
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
Front Tyre
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Cassette
Sunrace CSRS0, 10-speed, 11-28t
Rear Tyre
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Chain
KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™
Inner Tubes
Standard 40mm Schrader Valve 700x32-50
Pedals
Specialized Body Geometry Fitness, platform, plastic
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.

Through axle hub connection for positive wheel alignment and no rub Disc brakes.

Wide range 2x10 MicroShift components for intuitive and precise shifting.













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