SPECIALIZED SIRRUS X 4.0

Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between.

SMOOTH, COMFORTABLE, AND EFFICIENT: Sirrus X provides the smoothest ride in its class. With bigger, confidence-inspiring tires, a slightly more upright riding position, and a super intuitive one-by drivetrain.RIDER-FIRST ENGINEERED: Like all Specialized performance bikes, the geometry of each frame is uniquely crafted. This means that for every frame, each tube size is specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness to ensure that no matter what size you’re riding, you will experience the world’s best ride.

NIMBLE: Class-leading light-weight, exceptional pedaling efficiency, and steering precision merge for confident, nearly telepathic handling characteristics.

- Future Shock 1.5 delivers 20mm of compliance to give maximum comfort and control over the rough stuff.
- Added Carbon Fork and an A1 SL alloy frame delivers a build 1.6lb (.8kg) lighter than the 3.0 model–no heavy hybrid featuring a mountain style suspension fork comes close.
- Shimano shifting delivers precise shifting for the long haul.

Specifications

Frameset
Frame: 2020 Sirrus X A1SL Disc

Suspension
Fork: Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5

Brakes
Front Brake: Tektro HD-R510, hydraulic disc, 160mm
Rear Brake: Tektro HD-R510, hydraulic disc, 160mm

Drivetrain
Shift Levers: Shimano Cues SL-U6000, 11-Speed
Rear Derailleur: Shimano Cues Shadow RD-U6000, 11-Speed
Cassette: Shimano, CS-LG400-11, Cues, 11-Speed, 11-50T
Chain: KMC eGlide for 9-Speed Cues
Crankset: PROWHEEL, Alloy
Chainrings: 42T
Bottom Bracket: Threaded BSA 68mm, 24mm spindle

Wheels & Tires
Rims: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Front Hub: Alloy, Center lock Disc, High-Low Flange, Sealed Cartridge Bearing, 24H, 12mm Axle, 100mm Spacing
Rear Hub: Alloy, Center lock Disc, High-Low Flange, Sealed Cartridge Bearing, 32H, 12mm Axle, 142mm Spacing
Spokes: Stainless, 14g
Front Tire: Pathfinder Sport, 700x38
Rear Tire: Pathfinder Sport, 700x38
Inner Tubes: Standard 40mm SV 700x32-50

Cockpit
Stem: Future Stem, Comp
Handlebars: Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Grip: Specialized Neutralizer, Body Geometry, locking grip
Saddle: Body Geometry Power Sport, steel rails
SeatPost: Alloy, 2-bolt, 14mm offset, 27.2mm
Seat Binder: Bolt-type, 31.8mm

Accessories
Pedals: Specialized Body Geometry Fitness, Platform, Plastic