Specialized Sirrus 2.0 St Features
You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it's a good thing we made
Sirrus to help you with all of it. Wherever you're heading, Sirrus will take you there. Sirrus features a super light Aluminum Alloy and carbon fiber construction, as well as reliable Shimano components that are built to withstand years of daily abuse on the world's pavement. Powerful hydraulic disc brakes provide reliable stopping power in any condition, and comfortable, ergonomically designed Body Geometry touchpoints are there to take the sting out of longer rides. So, as you push yourself to reach your goals, you'll feel more connected to your bike and know that you have the perfect partner with Sirrus.
At a Glance
- Lightweight A1 Alloy frame with 42c tires clearance, clean internal cable routing and mounting points for a range of accessories give maximum flexibility.
- Intuitive and easy to use Shimano rapid fire 2x8 wide range shifting.
- Powerful Hydraulic disc bakes for safety and control.
Component Specifications
| Frame | Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts |
| Seat Binder | Bolt-type, 31.8mm |
| Fork | Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release |
| Shift Levers | Shimano Acera, 8-speed |
| Front Derailleur | Shimano Tourney FD-TY710 |
| Rear Derailleur | Shimano Acera, 8-speed |
| Cassette | Shimano Altus, 8-speed, 11-32t |
| Chain | KMC X8 w/ Missing Link™ |
| Crankset | Shimano Tourney, 3-piece, 46/30T |
| Chain Rings | 46/30T w/ chainguard |
| Bottom Bracket | BSA, square-taper, 68mm |
| Rims | 700C disc brake, double-wall alloy, 22mm depth, 21mm internal width |
| 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 | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| Rear Tire | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| Inner Tubes | Schrader valve, 40mm |
| Front Brake | Promax F1, hydraulic disc, flat-mount, 160mm |
| Rear Brake | Promax F1, hydraulic disc, flat-mount, 140mm |
| Stem | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
| Handlebars | Double-butted alloy, 9-degree backsweep, 31.8mm |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
Specialized Sirrus 2.0 St
| Bike/Frame Size | XS | S | M |
|---|---|---|---|
| Stack | 555 mm | 563 mm | 593 mm |
| Reach | 393 mm | 400 mm | 408 mm |
| Chain-Stay Length | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1058 mm | 1068 mm | 1077 mm |
| Top-Tube Length (horizontal) | 557 mm | 567 mm | 584 mm |
| Bike Stand-Over Height | 620 mm | 620 mm | 625 mm |
| Seat-Tube Length | 395 mm | 450 mm | 500 mm |
| Seat-Tube Angle | 73.5° | 73.5° | 73.5° |
| Head-Tube Length | 139 mm | 147 mm | 175 mm |
| Head-Tube Angle | 70° | 70° | 71° |
| B-B Height | 272 mm | 272 mm | 272 mm |
| B-B Drop | 70 mm | 70 mm | 70 mm |
| Trail | 70 mm | 70 mm | 64 mm |
| Fork Length (full) | 395 mm | 395 mm | 395 mm |
| Fork Rake/Offset | 51 mm | 51 mm | 51 mm |
| Front-Center | 628 mm | 637 mm | 646 mm |
Size Guide: Specialized Sirrus 2.0 St
