The Specialized Sirrus 4.0 is a versatile hybrid bike that has everything you need for quick daily commutes or long biking adventures – including hydraulic disc brakes and an 18-speed Shimano drivetrain.
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 aluminium alloy and carbon fibre 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.
Key Features & Benefits:
- 18 Shimano/Microshift Gears:Wide range of precise shifting gears to make light work of steep climbs.
- Carbon FACT 9 fork:Delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model.
- Hydraulic Disc Brakes:Powerful braking capacity to keep you in control, whatever the weather.
Full Specification:
- 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
- Fork:Specialized FACT carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts
- Number of Gears:18
- Gear Shifters:MicroSHIFT, 9-speed
- Chainset:Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed
- Chainrings:48/32T
- Rear Cassette:Sunrace CSRS0, 10-speed, 11-32t
- Chain:KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™
- Front Derailleur:MicroSHIFT R9, 9-speed, 31.8mm clamp
- Rear Derailleur:Shimano Sora, 9-speed
- Bottom Bracket:Praxis M24, BSA
- Pedals:Specialized Body Geometry Fitness, platform, plastic
- Rims:700C disc, double-wall alloy, 22mm depth, 21mm internal width, 28h
- 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
- Front Tyre:RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
- Rear Tyre:RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
- Brakes:Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
- Handlebars:Double-butted alloy, 9-degree backsweep, 31.8mm
- Handlebar Grips or Tape:Specialized Body Geometry Contour, lock-on
- Stem:Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
- Saddle:Body Geometry Power Sport, steel rails
- Seatpost:Alloy, 2-bolt, 14mm offset, 27.2mm
- Accessories:N/A
- Weight:Not Available