Description
The Specialized Sirrus X 3.0 Step-Through delivers versatile performance across pavement, gravel, and mixed terrain with a refined geometry tailored to each frame size. Its responsive A1 alloy fork and lightweight construction enable precise, intuitive handling, while the upright riding position and wider tires prioritize rider comfort without sacrificing efficiency. The 1x11 Shimano Cues drivetrain with an 11-50t cassette provides ample gearing flexibility, and upgraded hydraulic disc brakes offer reliable stopping power in variable conditions. Purpose-built for riders seeking a capable, confidence-inspiring bike that performs equally well on daily commutes and weekend adventures.
| Category | Component | Specification |
|---|---|---|
| Frameset | Frame | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
| Suspension | Fork | A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low-rider rack mounts, quick-release |
| Brakes | Front Brake | Tektro HD-R280, hydraulic disc, 160 mm rotor |
| Rear Brake | Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140 mm | |
| Drivetrain | Shift Levers | Shimano Deore M5100, 11-speed |
| Rear Derailleur | microSHIFT Advent RD-M6195M, 9-speed | |
| Cassette | microSHIFT Advent CS-H093, 11–46T, 9-speed | |
| Chain | KMC X9, 9-speed, w/ Missing Link™ | |
| Crankset | Forged aluminum arms, 24 mm spindle, narrow-wide steel chainring 40T, chainguard | |
| Chainrings | 40T | |
| Bottom Bracket | Threaded BSA 68 mm | |
| Wheels & Tires | Rims | 700C disc, double-wall alloy, 22 mm depth, 21 mm internal width, 32h |
| Front Hub | Alloy, 6-bolt disc, loose-ball bearing, quick-release, 32h | |
| Rear Hub | Alloy, 6-bolt disc, 8/9-speed freehub, loose-ball bearing, quick-release, 32h | |
| Spokes | Stainless, 14g | |
| Front Tire | Pathfinder Sport, 700×42 mm | |
| Rear Tire | Pathfinder Sport, 700×42 mm | |
| Inner Tubes | Standard 40 mm Presta valve, 700×32–50 | |
| Cockpit | Stem | 3D-forged alloy, 31.8 mm, 7-degree rise |
| Handlebars | Alloy Mini Rise, 9° backsweep, 15 mm rise, 31.8 mm | |
| Grip | Specialized Neutralizer, Body Geometry, locking | |
| Saddle | Bridge Sport, steel rails, 155/143 mm | |
| Seatpost | Alloy, 12 mm offset, 2-bolt clamp, 27.2 mm | |
| Seat Binder | Bolt-type, 31.8 mm | |
| Accessories | Pedals | Specialized Body Geometry Fitness, platform, plastic |
| Product Details | Product ID | 278904 |
| Weight | Weight | 11.61 kg (25 lb 9.4 oz) |
| Weight Size | MD |
Specialized Sirrus X 3.0 Step-Through
$1,099.99
Description
The Specialized Sirrus X 3.0 Step-Through delivers versatile performance across pavement, gravel, and mixed terrain with a refined geometry tailored to each frame size. Its responsive A1 alloy fork and lightweight construction enable precise, intuitive handling, while the upright riding position and wider tires prioritize rider comfort without sacrificing efficiency. The 1x11 Shimano Cues drivetrain with an 11-50t cassette provides ample gearing flexibility, and upgraded hydraulic disc brakes offer reliable stopping power in variable conditions. Purpose-built for riders seeking a capable, confidence-inspiring bike that performs equally well on daily commutes and weekend adventures.
| Category | Component | Specification |
|---|---|---|
| Frameset | Frame | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
| Suspension | Fork | A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low-rider rack mounts, quick-release |
| Brakes | Front Brake | Tektro HD-R280, hydraulic disc, 160 mm rotor |
| Rear Brake | Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140 mm | |
| Drivetrain | Shift Levers | Shimano Deore M5100, 11-speed |
| Rear Derailleur | microSHIFT Advent RD-M6195M, 9-speed | |
| Cassette | microSHIFT Advent CS-H093, 11–46T, 9-speed | |
| Chain | KMC X9, 9-speed, w/ Missing Link™ | |
| Crankset | Forged aluminum arms, 24 mm spindle, narrow-wide steel chainring 40T, chainguard | |
| Chainrings | 40T | |
| Bottom Bracket | Threaded BSA 68 mm | |
| Wheels & Tires | Rims | 700C disc, double-wall alloy, 22 mm depth, 21 mm internal width, 32h |
| Front Hub | Alloy, 6-bolt disc, loose-ball bearing, quick-release, 32h | |
| Rear Hub | Alloy, 6-bolt disc, 8/9-speed freehub, loose-ball bearing, quick-release, 32h | |
| Spokes | Stainless, 14g | |
| Front Tire | Pathfinder Sport, 700×42 mm | |
| Rear Tire | Pathfinder Sport, 700×42 mm | |
| Inner Tubes | Standard 40 mm Presta valve, 700×32–50 | |
| Cockpit | Stem | 3D-forged alloy, 31.8 mm, 7-degree rise |
| Handlebars | Alloy Mini Rise, 9° backsweep, 15 mm rise, 31.8 mm | |
| Grip | Specialized Neutralizer, Body Geometry, locking | |
| Saddle | Bridge Sport, steel rails, 155/143 mm | |
| Seatpost | Alloy, 12 mm offset, 2-bolt clamp, 27.2 mm | |
| Seat Binder | Bolt-type, 31.8 mm | |
| Accessories | Pedals | Specialized Body Geometry Fitness, platform, plastic |
| Product Details | Product ID | 278904 |
| Weight | Weight | 11.61 kg (25 lb 9.4 oz) |
| Weight Size | MD |