SPECIALIZED
Specialized Sirrus 4.0
Specialized Sirrus 4.0
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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.
SKU:90922-5004
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Sirrus Size Guide
Technical Specifications
Frameset
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
Seat Binder
Bolt-type, 31.8mm
Suspension
Fork
Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
Cockpit
Seat Post
Alloy, 2-bolt, 14mm offset, 27.2mm
Saddle
Body Geometry Power Sport, steel rails
Stem
Future Stem, Comp
Tape
Specialized Body Geometry Contour, lock-on
Handlebars
Double-butted alloy, 9-degree backsweep, 31.8mm
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
Shift Lever
MicroSHIFT, 10-speed
Front Derailleur
MicroSHIFT FD-R522, Band-clamp
Rear Derailleur
MicroSHIFT RD-R55S, short cage
Cassette
Sunrace CSRS0, 10-speed, 11-28t
Shift Lever
MicroSHIFT, 10-speed
Crankset
Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed
Chain
KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link‚Ñ¢
Bottom Bracket
Praxis M24, BSA
Chain Rings
48/32T
Wheels & Tyres
Front Hub
Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h
Rear Hub
Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h
Rims
700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Front Tyre
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tyre
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Spokes
Stainless, 14g
Inner Tube
700x28/38mm, 48mm Presta valve
Accessories
Pedals
Specialized Body Geometry Fitness, platform, plastic