The Specialized Sirrus X 4.0 EQ is the ideal companion for those who live cycling every day, from the city to dirt roads, to mixed routes outside the city. It is designed for those who want a fast and efficient vehicle on asphalt, but sturdy and comfortable enough to tackle light gravel roads, cobblestones, and rough bike paths without much thought. The slightly more upright position, wider and more secure tires, and super intuitive 1x drivetrain make every outing simple, smooth, and fun, whether it is daily commuting, training, or light bike touring. Thanks to Specialized's Rider-First Engineered philosophy, each size is designed to offer the same perfect balance of stiffness, weight, and responsiveness: whether you ride a size S or XL, the feeling is always that of a precise, responsive, and “telepathic” bike. The Future Shock 1.5, carbon fork, and lighter A1 SL alloy frame compared to the 3.0 model complete a package that combines comfort, control, and high-level performance. With Racktime racks, DRYTECH fenders, and integrated dynamo lighting, the Sirrus X 4.0 EQ is ready for everything, from your home-to-work journey to weekend adventures.
Sirrus X 4.0 EQ main features:
- Versatile geometry to excel on asphalt, light gravel, and mixed terrains, ideal for commuting, fitness, and touring.
- Slightly more upright riding position for greater comfort and control on long rides.
- Wider, stabilizing tires to increase safety, grip, and comfort on uneven surfaces.
- Wide-range Shimano Deore 1x12 drivetrain with precise and intuitive shifting, perfect for long distances.
- Future Shock 1.5 with 20 mm travel to absorb bumps, cobblestones, and gravel roads, improving comfort and control.
- Carbon fork and A1 SL alloy frame for a bike about 0.8 kg (1.6 lb) lighter than the 3.0 model.
- Efficient pedaling and lightweight frame for a responsive and lively ride, with almost “telepathic” handling.
- Rider-First Engineered design: each size has dedicated tubing to ensure the same level of stiffness, weight, and responsiveness.
- Racktime rack compatible with bags and panniers for commuting and bike trips.
- Integrated DRYTECH fenders to protect you from water and dirt during rides in variable weather.
- Extra-bright front and rear lighting powered by Shimano dynamo hub to see and be seen without worrying about charging.
TECHNICAL SPECIFICATIONS:
- MODEL: Sirrus X 4.0 EQ
- MODEL YEAR: 2026 year
- FRAME: Specialized A1SL Premium Aluminum, Fitness geometry, lightweight tubing, internal cable routing, flat-mount disc brake mounts, quick release, rack and fender mount Plug + Play
- FORK: Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5 (20mm travel)
- FRONT BRAKE: Shimano BR-MT200, hydraulic disc brake, 160mm
- REAR BRAKE: Shimano BR-MT200, hydraulic disc brake, 160mm
- SHIFTERS: Shimano Deore M6100, 12-speed
- REAR DERAILLEUR: Shimano Deore M6100, 12-speed, Shadow Plus
- CASSETTE: Sunrace, 12-speed, 11-51T
- CRANKSET: Forged aluminum crankset, 24mm spindle, 40T steel narrow-wide chainring, chain guard
- GEARING: 48/32 with chain guard
- BOTTOM BRACKET: BSA threaded 68mm
- CHAIN: KMC X12EPT, 12-speed, anti-corrosion treatment, reusable Missing Link
- RIMS: 700C, double wall alloy, 22mm depth, 21mm internal width, disc brake compatible
- FRONT HUB: Shimano Dynamo, Center Lock, 12x100mm thru axle, 32 holes
- REAR HUB: Alloy, Center Lock, High-Low Flange, sealed bearings, 32 holes, 12mm axle, 142mm over locknut dimension
- SPOKES: Stainless steel, 14g
- FRONT TIRE: Pathfinder Wirebead Fast Gravel 700x40C
- REAR TIRE: Pathfinder Wirebead Fast Gravel 700x40C
- INNER TUBE: Standard 40mm SV 700x32-50
- HANDLEBAR: Aluminum Mini Rise, backsweep 9°, rise 15mm, 31.8mm diameter
- STEM: Specialized, 3D forged aluminum, 4 bolts, 7° rise
- GRIPS: Specialized Neutralizer, Body Geometry, lockable grip
- SADDLE: Body Geometry Power Sport, steel rails
- SEATPOST: Aluminum, 2 bolts, 14mm offset, 27.2mm diameter
- SEATPOST CLAMP: Bolt type, 31.8mm
- PEDALS: Specialized, platform
- PRODUCT CODE: 222060
- WEIGHT: 12.77 kg
- WEIGHT SIZE: LG
- STACK BY SIZE
- STACK (XXS): 587 mm mm
- STACK (XS): 590 mm mm
- STACK (S): 606 mm mm
- STACK (M): 635 mm mm
- STACK (L): 651 mm mm
- STACK (XL): 672 mm mm
- REACH BY SIZE
- REACH (XXS): 355 mm mm
- REACH (XS): 371 mm mm
- REACH (S): 376 mm mm
- REACH (M): 382 mm mm
- REACH (L): 386 mm mm
- REACH (XL): 398 mm mm
- RACK AND FENDER MOUNT READINESS: SI
- INTEGRATED LIGHTING: SI
- FENDERS INCLUDED: SI
- FUTURE SHOCK 1.5 SUSPENSION: SI
The Specialized Sirrus X 4.0 EQ is the ideal companion for those who live cycling every day, from the city to dirt roads, to mixed routes outside the city. It is designed for those who want a fast and efficient vehicle on asphalt, but sturdy and comfortable enough to tackle light gravel roads, cobblestones, and rough bike paths without much thought. The slightly more upright position, wider and more secure tires, and super intuitive 1x drivetrain make every outing simple, smooth, and fun, whether it is daily commuting, training, or light bike touring. Thanks to Specialized's Rider-First Engineered philosophy, each size is designed to offer the same perfect balance of stiffness, weight, and responsiveness: whether you ride a size S or XL, the feeling is always that of a precise, responsive, and “telepathic” bike. The Future Shock 1.5, carbon fork, and lighter A1 SL alloy frame compared to the 3.0 model complete a package that combines comfort, control, and high-level performance. With Racktime racks, DRYTECH fenders, and integrated dynamo lighting, the Sirrus X 4.0 EQ is ready for everything, from your home-to-work journey to weekend adventures.
Sirrus X 4.0 EQ main features:
- Versatile geometry to excel on asphalt, light gravel, and mixed terrains, ideal for commuting, fitness, and touring.
- Slightly more upright riding position for greater comfort and control on long rides.
- Wider, stabilizing tires to increase safety, grip, and comfort on uneven surfaces.
- Wide-range Shimano Deore 1x12 drivetrain with precise and intuitive shifting, perfect for long distances.
- Future Shock 1.5 with 20 mm travel to absorb bumps, cobblestones, and gravel roads, improving comfort and control.
- Carbon fork and A1 SL alloy frame for a bike about 0.8 kg (1.6 lb) lighter than the 3.0 model.
- Efficient pedaling and lightweight frame for a responsive and lively ride, with almost “telepathic” handling.
- Rider-First Engineered design: each size has dedicated tubing to ensure the same level of stiffness, weight, and responsiveness.
- Racktime rack compatible with bags and panniers for commuting and bike trips.
- Integrated DRYTECH fenders to protect you from water and dirt during rides in variable weather.
- Extra-bright front and rear lighting powered by Shimano dynamo hub to see and be seen without worrying about charging.
TECHNICAL SPECIFICATIONS:
- MODEL: Sirrus X 4.0 EQ
- MODEL YEAR: 2026 year
- FRAME: Specialized A1SL Premium Aluminum, Fitness geometry, lightweight tubing, internal cable routing, flat-mount disc brake mounts, quick release, rack and fender mount Plug + Play
- FORK: Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5 (20mm travel)
- FRONT BRAKE: Shimano BR-MT200, hydraulic disc brake, 160mm
- REAR BRAKE: Shimano BR-MT200, hydraulic disc brake, 160mm
- SHIFTERS: Shimano Deore M6100, 12-speed
- REAR DERAILLEUR: Shimano Deore M6100, 12-speed, Shadow Plus
- CASSETTE: Sunrace, 12-speed, 11-51T
- CRANKSET: Forged aluminum crankset, 24mm spindle, 40T steel narrow-wide chainring, chain guard
- GEARING: 48/32 with chain guard
- BOTTOM BRACKET: BSA threaded 68mm
- CHAIN: KMC X12EPT, 12-speed, anti-corrosion treatment, reusable Missing Link
- RIMS: 700C, double wall alloy, 22mm depth, 21mm internal width, disc brake compatible
- FRONT HUB: Shimano Dynamo, Center Lock, 12x100mm thru axle, 32 holes
- REAR HUB: Alloy, Center Lock, High-Low Flange, sealed bearings, 32 holes, 12mm axle, 142mm over locknut dimension
- SPOKES: Stainless steel, 14g
- FRONT TIRE: Pathfinder Wirebead Fast Gravel 700x40C
- REAR TIRE: Pathfinder Wirebead Fast Gravel 700x40C
- INNER TUBE: Standard 40mm SV 700x32-50
- HANDLEBAR: Aluminum Mini Rise, backsweep 9°, rise 15mm, 31.8mm diameter
- STEM: Specialized, 3D forged aluminum, 4 bolts, 7° rise
- GRIPS: Specialized Neutralizer, Body Geometry, lockable grip
- SADDLE: Body Geometry Power Sport, steel rails
- SEATPOST: Aluminum, 2 bolts, 14mm offset, 27.2mm diameter
- SEATPOST CLAMP: Bolt type, 31.8mm
- PEDALS: Specialized, platform
- PRODUCT CODE: 222060
- WEIGHT: 12.77 kg
- WEIGHT SIZE: LG
- STACK BY SIZE
- STACK (XXS): 587 mm mm
- STACK (XS): 590 mm mm
- STACK (S): 606 mm mm
- STACK (M): 635 mm mm
- STACK (L): 651 mm mm
- STACK (XL): 672 mm mm
- REACH BY SIZE
- REACH (XXS): 355 mm mm
- REACH (XS): 371 mm mm
- REACH (S): 376 mm mm
- REACH (M): 382 mm mm
- REACH (L): 386 mm mm
- REACH (XL): 398 mm mm
- RACK AND FENDER MOUNT READINESS: SI
- INTEGRATED LIGHTING: SI
- FENDERS INCLUDED: SI
- FUTURE SHOCK 1.5 SUSPENSION: SI
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