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2026 Specialized Sirrus X 4.0 Bike
Meet your go-anywhere fitness and adventure companion. This lightweight, confidence-inspiring bike blends efficient on-road speed with the control you want when the pavement ends. A responsive alloy frame and compliant carbon fork work together to smooth out rough paths, while hydraulic disc brakes deliver powerful, consistent stopping in all conditions.
Designed for daily commutes, weekend fitness rides, and mixed-surface exploring, it rolls fast and stable with a wide gear range for climbing and cruising. Ergonomic touchpoints and a vibration-damping cockpit keep you comfortable on longer rides. Internal cable routing offers a clean look with reduced maintenance, and tubeless-ready wheels (where applicable) boost traction and flat protection.
Why you’ll love it:
Designed for daily commutes, weekend fitness rides, and mixed-surface exploring, it rolls fast and stable with a wide gear range for climbing and cruising. Ergonomic touchpoints and a vibration-damping cockpit keep you comfortable on longer rides. Internal cable routing offers a clean look with reduced maintenance, and tubeless-ready wheels (where applicable) boost traction and flat protection.
Why you’ll love it:
- Versatile performance for city streets, bike paths, and light gravel.
- Hydraulic disc brakes for reliable control in wet or dry weather.
- Efficient drivetrain with wide-range gearing for hills and headwinds.
- Carbon fork and tuned frame compliance to reduce road chatter.
- Room for wider tires, racks, and fenders to dial in your setup.
- Stable, confidence-forward fit that invites longer, faster rides.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

2026 Specialized Sirrus X 4.0 Bike
2026 Specialized Sirrus X 4.0 Bike
Meet your go-anywhere fitness and adventure companion. This lightweight, confidence-inspiring bike blends efficient on-road speed with the control you want when the pavement ends. A responsive alloy frame and compliant carbon fork work together to smooth out rough paths, while hydraulic disc brakes deliver powerful, consistent stopping in all conditions.
Designed for daily commutes, weekend fitness rides, and mixed-surface exploring, it rolls fast and stable with a wide gear range for climbing and cruising. Ergonomic touchpoints and a vibration-damping cockpit keep you comfortable on longer rides. Internal cable routing offers a clean look with reduced maintenance, and tubeless-ready wheels (where applicable) boost traction and flat protection.
Why you’ll love it:
Designed for daily commutes, weekend fitness rides, and mixed-surface exploring, it rolls fast and stable with a wide gear range for climbing and cruising. Ergonomic touchpoints and a vibration-damping cockpit keep you comfortable on longer rides. Internal cable routing offers a clean look with reduced maintenance, and tubeless-ready wheels (where applicable) boost traction and flat protection.
Why you’ll love it:
- Versatile performance for city streets, bike paths, and light gravel.
- Hydraulic disc brakes for reliable control in wet or dry weather.
- Efficient drivetrain with wide-range gearing for hills and headwinds.
- Carbon fork and tuned frame compliance to reduce road chatter.
- Room for wider tires, racks, and fenders to dial in your setup.
- Stable, confidence-forward fit that invites longer, faster rides.
Select Size
From $420.00
Original: $1,400.00
-70%2026 Specialized Sirrus X 4.0 Bike—
$1,400.00
$420.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Meet your go-anywhere fitness and adventure companion. This lightweight, confidence-inspiring bike blends efficient on-road speed with the control you want when the pavement ends. A responsive alloy frame and compliant carbon fork work together to smooth out rough paths, while hydraulic disc brakes deliver powerful, consistent stopping in all conditions.
Designed for daily commutes, weekend fitness rides, and mixed-surface exploring, it rolls fast and stable with a wide gear range for climbing and cruising. Ergonomic touchpoints and a vibration-damping cockpit keep you comfortable on longer rides. Internal cable routing offers a clean look with reduced maintenance, and tubeless-ready wheels (where applicable) boost traction and flat protection.
Why you’ll love it:
Designed for daily commutes, weekend fitness rides, and mixed-surface exploring, it rolls fast and stable with a wide gear range for climbing and cruising. Ergonomic touchpoints and a vibration-damping cockpit keep you comfortable on longer rides. Internal cable routing offers a clean look with reduced maintenance, and tubeless-ready wheels (where applicable) boost traction and flat protection.
Why you’ll love it:
- Versatile performance for city streets, bike paths, and light gravel.
- Hydraulic disc brakes for reliable control in wet or dry weather.
- Efficient drivetrain with wide-range gearing for hills and headwinds.
- Carbon fork and tuned frame compliance to reduce road chatter.
- Room for wider tires, racks, and fenders to dial in your setup.
- Stable, confidence-forward fit that invites longer, faster rides.





















