Sirrus 4.0

By Specialized
$1,499.99
Colour: GLOSS WHITE SAGE / WHITE / BLACK REFLECTIVE
Size
Description
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.
Shipping & Returns
  • Free Shipping on Orders over $200, excludes bikes.
  • Returns must be request within 48 hours of delivery for a refund and within 30 days for a Store Credit or Exchange.
  • All Sale items are final sale.

Find out more about our Shipping & Return policies in our FAQs.
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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

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 Levers

MicroSHIFT, 10-speed

Rear Derailleur

MicroSHIFT RD-R55S, short cage

Cassette

Sunrace CSRS0, 10-speed, 11-28t

Crankset

Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed

KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™

KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™

Chain Ring

48/32T

Bottom Bracket

Praxis M24, BSA
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

Front Tire

RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c

Rear Tire

RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c

Spokes

Stainless, 14g

Tubes

700x28/38mm, 48mm Presta valve
Accessories

Pedals

Specialized Body Geometry Fitness, platform, plastic