Specialized Sirrus 1.0 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. This Sirrus features a reliable set of components that are built to withstand years of daily abuse, like comfortable Body Geometry touchpoints and fuss-free mechanical V-brakes. 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 clean internal cable routing delivers a bike that is 1.1lb (.5kg) lighter than previous version.
- Upright position with Body Geometry touchpoints for comfort and control.
- Reflective graphics on frame and tires for maximum visibility.
Component Specifications
| Frame | Specialized A1 Premium Aluminum, Fitness Geometry, Butted tubing, Internal Cable Routing, V-Brake, Quick-Release, Plug + Play rack/fender mounts |
| Seat Binder | Bolt-type, 31.8mm |
| Fork | Hi-Ten steel, V-Brake, Plug + Play fender mounts, low rider rack mounts, quick-release |
| Shift Levers | microSHIFT TS39 Trigger shift, 7-speed |
| Front Derailleur | MicroSHIFT FD-T202, Band-clamp |
| Rear Derailleur | microSHIFT RD-M26S, 7-speed |
| Cassette | SunRace, 7-Speed, 11-34t |
| Chain | KMC X8 w/ Missing Link™ |
| Crankset | Forged aluminum arms, 3-piece, 46/30T |
| Chain Rings | 46/30T w/ chainguard |
| Bottom Bracket | BSA, square-taper, 68mm |
| Rims | 700C rim brake, double-wall alloy, 22mm depth, 21mm internal width, rim brake |
| Front Hub | Alloy, loose ball bearing, quick-release, 32h |
| Rear Hub | Alloy, loose ball bearings, quick-release, 7-speed freehub, 32h |
| Spokes | Stainless, 14g |
| Front Tire | RoadSport, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| Rear Tire | RoadSport, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| Inner Tubes | Schrader valve, 40mm |
| Front Brake | V-brake, linear pull |
| Rear Brake | V-brake, linear pull |
| Stem | Specialized Flowset, integrated, 3D-forged alloy, 4-bolt, 12-degree rise, 31.8mm clamp |
| Handlebars | Double-butted alloy, 5-degree backsweep, 25.4mm |
| Saddle | Bridge Sport, Steel rails, 155/143mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
Specialized Sirrus 1.0
| Bike/Frame Size | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Stack | 536 mm | 555 mm | 562 mm | 593 mm | 608 mm | 632 mm |
| Reach | 373 mm | 388 mm | 393 mm | 398 mm | 402 mm | 414 mm |
| Chain-Stay Length | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1036 mm | 1053 mm | 1061 mm | 1066 mm | 1075 mm | 1096 mm |
| Top-Tube Length (horizontal) | 531 mm | 552 mm | 559 mm | 573 mm | 582 mm | 601 mm |
| Bike Stand-Over Height | 692 mm | 715 mm | 745 mm | 775 mm | 805 mm | 827 mm |
| Seat-Tube Length | 360 mm | 395 mm | 440 mm | 470 mm | 510 mm | 530 mm |
| Seat-Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° | 73.5° |
| Head-Tube Length | 121 mm | 139 mm | 147 mm | 175 mm | 191 mm | 217 mm |
| Head-Tube Angle | 69.5° | 70° | 70° | 71° | 71° | 71° |
| B-B Height | 278 mm | 278 mm | 278 mm | 278 mm | 278 mm | 278 mm |
| B-B Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Trail | 75 mm | 72 mm | 72 mm | 65 mm | 65 mm | 65 mm |
| Fork Length (full) | 395 mm | 395 mm | 395 mm | 395 mm | 395 mm | 395 mm |
| Fork Rake/Offset | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Front-Center | 605 mm | 622 mm | 630 mm | 635 mm | 645 mm | 665 mm |
Size Guide: Specialized Sirrus 1.0
