Master the road and beyond: your freedom on two wheels starts here.
The Specialized Sirrus X 1.0 is the ideal companion for those who want to move fast and with style, without sacrificing comfort, whether in the city or on gravel paths. Inspired by the DNA of fitness and gravel bikes, it combines agility, efficiency, and safety, turning every trip into a fun ride, whether it's the commute or a weekend pedal. The semi-upright riding position offers a perfect view of traffic and at the same time total control of the bike, while the wide and smooth-rolling tires allow you to comfortably tackle rough asphalt, cobblestones, and light gravel.
SPECIALIZED SIRRUS X 1.0 BIKE KEY FEATURES:
- A1 Premium Frame: Lightweight alloy with internal cable routing for a clean look and protection from the elements.
- Fitness Geometry: Semi-upright position designed to maximize comfort without sacrificing pedaling efficiency.
- Rider-First Engineered: Each size is specifically designed to offer the same responsiveness and safety to every cyclist.
- 1x Drivetrain: Simple and intuitive single-ring system, reducing weight and mechanical complexity.
- Pathfinder 42c Tires: Excellent grip thanks to the Gripton compound and maximum versatility between asphalt and dirt roads.
- Integrated Safety: Full preparation for mounting mudguards and racks (Plug + Play).
Technical Specifications
| Model | Sirrus X 1.0 (2026) |
|---|---|
| Frame | Specialized A1 Premium Aluminum, Fitness Geometry, internal cable routing, Plug + Play |
| Fork | Hi-Ten Steel, Flat-mount disc, low rider rack mounts |
| Rear Derailleur | Shimano Acera, 8-speed |
| Shifters | Shimano Altus SL-M315-7R |
| Crankset | Prowheel alloy, Narrow Wide 42T chainring |
| Cassette | microSHIFT CS-H074, 12-40t, 7-speed |
| Brakes | Lee Chi, mechanical disc |
| Chain | KMC X8 with Missing Link™ |
| Rims | 700C disc, double-wall alloy, 21mm internal width |
| Tires | Pathfinder Wirebead Fast Gravel 700x40C |
| Saddle | Bridge Sport, 155/143mm |
| Weight/Size | LG (Ref. Id: 222048) |
Geometry Details (Stack & Reach)
- Stack (XXS): 536 mm
- Stack (XS): 555 mm
- Stack (S): 563 mm
- Stack (M): 593 mm
- Stack (L): 608 mm
- Stack (XL): 633 mm
- Reach (XXS): 373 mm
- Reach (XS): 388 mm
- Reach (S): 393 mm
- Reach (M): 398 mm
- Reach (L): 402 mm
- Reach (XL): 414 mm
Master the road and beyond: your freedom on two wheels starts here.
The Specialized Sirrus X 1.0 is the ideal companion for those who want to move fast and with style, without sacrificing comfort, whether in the city or on gravel paths. Inspired by the DNA of fitness and gravel bikes, it combines agility, efficiency, and safety, turning every trip into a fun ride, whether it's the commute or a weekend pedal. The semi-upright riding position offers a perfect view of traffic and at the same time total control of the bike, while the wide and smooth-rolling tires allow you to comfortably tackle rough asphalt, cobblestones, and light gravel.
SPECIALIZED SIRRUS X 1.0 BIKE KEY FEATURES:
- A1 Premium Frame: Lightweight alloy with internal cable routing for a clean look and protection from the elements.
- Fitness Geometry: Semi-upright position designed to maximize comfort without sacrificing pedaling efficiency.
- Rider-First Engineered: Each size is specifically designed to offer the same responsiveness and safety to every cyclist.
- 1x Drivetrain: Simple and intuitive single-ring system, reducing weight and mechanical complexity.
- Pathfinder 42c Tires: Excellent grip thanks to the Gripton compound and maximum versatility between asphalt and dirt roads.
- Integrated Safety: Full preparation for mounting mudguards and racks (Plug + Play).
Technical Specifications
| Model | Sirrus X 1.0 (2026) |
|---|---|
| Frame | Specialized A1 Premium Aluminum, Fitness Geometry, internal cable routing, Plug + Play |
| Fork | Hi-Ten Steel, Flat-mount disc, low rider rack mounts |
| Rear Derailleur | Shimano Acera, 8-speed |
| Shifters | Shimano Altus SL-M315-7R |
| Crankset | Prowheel alloy, Narrow Wide 42T chainring |
| Cassette | microSHIFT CS-H074, 12-40t, 7-speed |
| Brakes | Lee Chi, mechanical disc |
| Chain | KMC X8 with Missing Link™ |
| Rims | 700C disc, double-wall alloy, 21mm internal width |
| Tires | Pathfinder Wirebead Fast Gravel 700x40C |
| Saddle | Bridge Sport, 155/143mm |
| Weight/Size | LG (Ref. Id: 222048) |
Geometry Details (Stack & Reach)
- Stack (XXS): 536 mm
- Stack (XS): 555 mm
- Stack (S): 563 mm
- Stack (M): 593 mm
- Stack (L): 608 mm
- Stack (XL): 633 mm
- Reach (XXS): 373 mm
- Reach (XS): 388 mm
- Reach (S): 393 mm
- Reach (M): 398 mm
- Reach (L): 402 mm
- Reach (XL): 414 mm
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