Specialized Sirrus 4.0

You have places to go, people to see, and fitness goals to achieve. Specialized get it—life moves pretty fast, so it's a good thing Specialized 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.

Features

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.

Tech Specs

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

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

Handlebars: Double-butted alloy, 9-degree backsweep, 31.8mm
Stem: Future Stem, Comp
Tape: Specialized Body Geometry Contour, lock-on
Saddle: Body Geometry Power Sport, steel rails
SeatPost: Alloy, 2-bolt, 14mm offset, 27.2mm
Seat Binder: Bolt-type, 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 Levers: MicroSHIFT, 10-speed
Front Derailleur: MicroSHIFT FD-R522, Band-clamp
Rear Derailleur: MicroSHIFT RD-R55S, short cage
Cassette: Sunrace CSRS0, 10-speed, 11-32t
Crankset: Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed
Chainrings: 48/32T
Bottom Bracket: Praxis M24, BSA
Chain: KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™

Wheels & Tires

Rims: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
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
Spokes: Stainless, 14g
Front Tire: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tire: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Inner Tubes: 700x28/38mm, 48mm Presta valve

Accessories

Pedals: Specialized Body Geometry Fitness, platform, plastic

Producer's weight: *Weights based on production painted frames as pictured. Actual weights will vary based on colourway, frame size, and component variation. Specifications are subject to change without notice. // eslint-disable-line react/no-danger