Specialized Sirrus X 4.0 2026 Hybrid Bike

The Sirrus X is built to deliver comfort, efficiency, and agile handling across pavement, dirt paths, and everything in between. Bigger, more stable tires, an upright position, and an intuitive 1x drivetrain create a smooth and confident ride. Its Rider-First Engineered frame ensures every size delivers the ideal balance of stiffness, weight, and responsiveness, so all riders experience the same premium ride quality.

Lightweight performance and precise steering make the Sirrus X feel nimble and controlled on any terrain. Future Shock 1.5 provides 20mm of smooth compliance, while the carbon fork and A1 SL alloy frame significantly reduce weight compared to the 3.0 model. Paired with a wide-range Shimano CUES 1x11 drivetrain, it offers efficient pedalling and reliable shifting for varied routes and daily adventures.

Key Features

• Future Shock 1.5 provides 20mm of vertical compliance for superior comfort and control


• Carbon fork + A1 SL alloy frame create a build 1.6 lb (0.8 kg) lighter than Sirrus X 3.0


• Wide-range Shimano CUES 1x11 drivetrain delivers smooth, precise shifting


• Bigger, confidence-inspiring tires and upright geometry provide a smoother, more stable ride


• Rider-First Engineered frame ensures optimal stiffness, weight, and responsiveness across all sizes

Specifications

Frameset

• Frame: Specialized A1SL Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts


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

Wheels

• Rims: 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h


• Tyres: Pathfinder Wirebead Fast Gravel 700X40C

Drivetrain

• Crankset: Prowheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm


• Shifters: Shimano Cues SL-U6000, 11-Speed


• Rear Derailleur: Shimano Cues 11-speed w/ Shadow Plus


• Chain: KMC eGlide for 11-Speed Cues


• Cassette: Shimano, CS-LG400-11, CUES, 11-Speed, 11-50T


• Bottom Bracket: Threaded BSA 68mm, 24mm spindle

Components

• Handlebar: Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm


• Stem: Future Stem, Comp


• Grips: Specialized Neutralizer, Body Geometry, locking grip


• Brakes: Shimano BR-MT200, hydraulic disc, 160mm


• Saddle: Body Geometry Power Sport, steel rails


• Seatpost: Alloy, 2-bolt, 14mm offset, 27.2mm

Sirrus X Sizing

Product code: 930649