Specialized Sirrus 3.0 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
- Carbon Fact 9 fork delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model.
- Wide range 2x9 Shimano Sora Road components for intuitive and precise shifting.
- Lightweight 2 piece crank for years of performance.
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 | Specialized FACT 9r Carbon, flat-mount disc, quick-release |
| Shift Levers | microSHIFT, 9-speed |
| Front Derailleur | microSHIFT R9, 9-speed, 31.8mm clamp |
| Rear Derailleur | MicroSHIFT RD-R43M, medium cage |
| Cassette | MicroSHIFT H092, 9-speed, 11-34t |
| Chain | KMC X9, 9-speed w/ Missing Link™ |
| Crankset | Forged aluminum arms, 2-piece, 24mm spindle, 46/30T |
| Chain Rings | 46/30T |
| Bottom Bracket | Threaded BSA 68mm, 24mm spindle |
| 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 | Standard 40mm SV 700x32-50 |
| Front Brake | Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm |
| Rear Brake | Tektro HD-R280, hydraulic disc, resin pads, 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 3.0 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 3.0 St
