Specialized Sirrus X 1.0 Bike 2026 Gloss Pistachio/Laurel Green Metallic Frost Reflective
The Specialized Sirrus X 1.0 Bike blends nimble performance with intuitive operation through a 1x7 drivetrain and fast-rolling Pathfinder tires. From the Specialized Sirrus X 1.0 Bike’s responsive steering to its compliant ride quality, Specialized delivers efficiency without sacrificing comfort.
A lightweight A1 Premium Aluminum frame paired with Fitness Geometry balances rigidity, efficiency, and confident handling across mixed surfaces. Clean internal cable routing and flat-mount disc compatibility keep the platform streamlined while maintaining control and durability on pavement and dirt.
Key Features
- A1 Alloy Frame: Specialized A1 Premium Aluminum frame with butted tubing, internal cable routing, flat-mount disc compatibility, quick-release dropouts, and Plug + Play rack and fender mounts.
- Lightweight Construction: Frame weight of 3.5lbs (1.7kg) supports class-leading efficiency and responsive handling.
- 1x Drivetrain Simplicity: Wide-range 1x7 gearing with Shimano Altus shifter and microSHIFT 12-40t cassette for intuitive control.
- All-Terrain Tires: Specialized Pathfinder Wirebead Fast Gravel tires in 700x40C with Gripton rubber compound for speed and traction.
- Steel Fork Utility: Hi-Ten steel fork with flat-mount disc, Plug + Play fender mounts, and low rider rack mounts.
- Disc Brake Control: Lee Chi mechanical disc brakes provide consistent stopping power in varied conditions.
- Comfort-Focused Cockpit: Alloy handlebar with 15-degree backsweep and 46mm rise paired with Specialized Neutralizer locking grips.
| Frame | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
| Fork | Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release |
| Front Brake | Lee Chi, Mechanical Disc |
| Rear Brake | Lee Chi, Mechanical Disc |
| Chain | KMC X8 w/ Missing Link™ |
| Chainrings | Narrow Wide Steel 42T |
| Crankset | Prowheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm |
| Rear Derailleur | Shimano Acera, 8-speed |
| Shift Levers | Shimano Altus SL-M315-7R, 7-Speed |
| Bottom Bracket | Square-tapered, 68mm |
| Cassette | microSHIFT CS-H074, 12-40t, 7-Speed |
| Rims | 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width |
| Rear Hub | Alloy, 6-bolt disc, 8/9-Speed freehub, loose ball bearing, quick-release, 36h, 10x135mm |
| Front Hub | Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h |
| Front Tire | Pathfinder Wirebead Fast Gravel 700X40C |
| Rear Tire | Pathfinder Wirebead Fast Gravel 700X40C |
| Spokes | Stainless, 14g |
| Inner Tubes | Standard 40mm SV 700x32-50 |
| Stem | 3D-forged alloy, 31.8mm, 7-degree rise |
| SeatPost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| Seat Binder | Bolt-type, 31.8mm |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Grip | Specialized Neutralizer, Body Geometry, locking grip |
| Handlebars | Specialized, alloy, 15-degree backsweep, 46mm rise, 31.8mm |
| Pedals | Specialized, platform |

Description
The Specialized Sirrus X 1.0 Bike blends nimble performance with intuitive operation through a 1x7 drivetrain and fast-rolling Pathfinder tires. From the Specialized Sirrus X 1.0 Bike’s responsive steering to its compliant ride quality, Specialized delivers efficiency without sacrificing comfort.
A lightweight A1 Premium Aluminum frame paired with Fitness Geometry balances rigidity, efficiency, and confident handling across mixed surfaces. Clean internal cable routing and flat-mount disc compatibility keep the platform streamlined while maintaining control and durability on pavement and dirt.
Key Features
- A1 Alloy Frame: Specialized A1 Premium Aluminum frame with butted tubing, internal cable routing, flat-mount disc compatibility, quick-release dropouts, and Plug + Play rack and fender mounts.
- Lightweight Construction: Frame weight of 3.5lbs (1.7kg) supports class-leading efficiency and responsive handling.
- 1x Drivetrain Simplicity: Wide-range 1x7 gearing with Shimano Altus shifter and microSHIFT 12-40t cassette for intuitive control.
- All-Terrain Tires: Specialized Pathfinder Wirebead Fast Gravel tires in 700x40C with Gripton rubber compound for speed and traction.
- Steel Fork Utility: Hi-Ten steel fork with flat-mount disc, Plug + Play fender mounts, and low rider rack mounts.
- Disc Brake Control: Lee Chi mechanical disc brakes provide consistent stopping power in varied conditions.
- Comfort-Focused Cockpit: Alloy handlebar with 15-degree backsweep and 46mm rise paired with Specialized Neutralizer locking grips.
| Frame | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
| Fork | Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release |
| Front Brake | Lee Chi, Mechanical Disc |
| Rear Brake | Lee Chi, Mechanical Disc |
| Chain | KMC X8 w/ Missing Link™ |
| Chainrings | Narrow Wide Steel 42T |
| Crankset | Prowheel Alloy, XXS - XS: 165mm, S - M: 170mm, L - XL: 175mm |
| Rear Derailleur | Shimano Acera, 8-speed |
| Shift Levers | Shimano Altus SL-M315-7R, 7-Speed |
| Bottom Bracket | Square-tapered, 68mm |
| Cassette | microSHIFT CS-H074, 12-40t, 7-Speed |
| Rims | 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width |
| Rear Hub | Alloy, 6-bolt disc, 8/9-Speed freehub, loose ball bearing, quick-release, 36h, 10x135mm |
| Front Hub | Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h |
| Front Tire | Pathfinder Wirebead Fast Gravel 700X40C |
| Rear Tire | Pathfinder Wirebead Fast Gravel 700X40C |
| Spokes | Stainless, 14g |
| Inner Tubes | Standard 40mm SV 700x32-50 |
| Stem | 3D-forged alloy, 31.8mm, 7-degree rise |
| SeatPost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| Seat Binder | Bolt-type, 31.8mm |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Grip | Specialized Neutralizer, Body Geometry, locking grip |
| Handlebars | Specialized, alloy, 15-degree backsweep, 46mm rise, 31.8mm |
| Pedals | Specialized, platform |














