Discover the Sirrus X, an unparalleled innovation that perfectly combines comfort, efficiency and maneuverability. Whether on the road, off the beaten path or on any type of terrain, it stands out and imposes itself.
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.
- Lightweight A1 Alloy frame with clean internal cable routing, 3.5lbs (1.7kg).
- Maximum control through intuitive shifting with 1x7 wide range gearing.
- Float over rough terrain with fast rolling Specialized Pathfinder 42c tires featuring proprietary Gripton rubber compound.
TECHNICAL SPECIFICATIONS
FRAMESET
- Frame: Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
SUSPENSION
- Fork: Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
BRAKES
- Front Brake: Lee Chi, Mechanical Disc
- Rear Brake: Lee Chi, Mechanical Disc
DRIVETRAIN
- Shift Levers: Shimano Altus SL-M315-7R, 7-Speed
- Rear Derailleur:Shimano Acera, 8-speed
- Cassette: microSHIFT CS-H074, 12-40t, 7-Speed
- Chain: KMC X8 w/ Missing Link™
- Crankset: Prowheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm
- Chainrings: Narrow Wide Steel 42T
- Bottom Bracket: Square-tapered, 68mm
WHEELS & TIRES
- Rims: 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
- Front Hub: Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
- Rear Hub: Alloy, 6-bolt disc, 8/9-Speed freehub, loose ball bearing, quick-release, 36h, 10x135mm
- Spokes: Stainless, 14g
- Front Tire: Pathfinder Wirebead Fast Gravel 700X40C
- Rear Tire: Pathfinder Wirebead Fast Gravel 700X40C
- Inner Tubes: Standard 40mm SV 700x32-50
COCKPIT
- Stem: 3D-forged alloy, 31.8mm, 7-degree rise
- Handlebars: Specialized, alloy, 15-degree backsweep, 46mm rise, 31.8mm
- Grip: Specialized Neutralizer, Body Geometry, locking grip
- Saddle: Bridge Sport, Steel rails, 155/143mm
- SeatPost: Alloy, 12mm offset, 2-bolt clamp, 27.2mm
- Seat Binder: Bolt-type, 31.8mm
ACCESSORIES
- Pedals: Specialized, platform
WEIGHT
- Weight: 11.71 kg (25 lb, 13.1 oz)