2023 Specialized Sirrus 4.0 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. 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 9r fork delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model.
- Thru-axle hub connection for positive wheel alignment and no-rub disc brakes.
- Wide-range 2x10 Shimano components for intuitive and precise shifting.
Component Specifications
| Frameset |
frame
seat binder
|
| Suspension |
fork
|
| Brakes |
front brake
rear brake
|
| Drivetrain |
shift levers
front derailleur
rear derailleur
cassette
chain
crankset
chain rings
bottom bracket
|
| Wheels & Tires |
rims
front hub
rear hub
spokes
front tire
rear tire
inner tubes
|
| Cockpit |
stem
handlebars
saddle
seatpost
tape
pedals
|
2023 Specialized Sirrus 4.0
| Bike/Frame Size | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Stack | 587 mm | 590 mm | 606 mm | 635 mm | 651 mm | 672 mm |
| Reach | 355 mm | 371 mm | 376 mm | 382 mm | 386 mm | 398 mm |
| Chain-Stay Length | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1033 mm | 1049 mm | 1060 mm | 1065 mm | 1074 mm | 1093 mm |
| Top-Tube Length (horizontal) | 529 mm | 549 mm | 559 mm | 573 mm | 581 mm | 599 mm |
| Bike Stand-Over Height | 700 mm | 722 mm | 750 mm | 778 mm | 810 mm | 831 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 | 111 mm | 125 mm | 143 mm | 169 mm | 186 mm | 208 mm |
| Head-Tube Angle | 69.5° | 70° | 70° | 71° | 71° | 71° |
| B-B Height | 284 mm | 284 mm | 284 mm | 284 mm | 284 mm | 284 mm |
| B-B Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Trail | 78 mm | 75 mm | 75 mm | 68 mm | 68 mm | 68 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 | 602 mm | 618 mm | 629 mm | 634 mm | 644 mm | 663 mm |
Component Geometry
| Component | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Crank Length | 165 mm | 165 mm | 170 mm | 172.5 mm | 172.5 mm | 175 mm |
| Handlebar Width | 580 mm | 580 mm | 600 mm | 600 mm | 620 mm | 620 mm |
| Stem Length | 60 mm | 70 mm | 70 mm | 80 mm | 90 mm | 100 mm |
| Saddle Width | 155 mm | 155 mm | 155 mm | 143 mm | 143 mm | 143 mm |
| Seatpost Length | 300 mm | 300 mm | 350 mm | 350 mm | 400 mm | 400 mm |
Size Guide: 2023 Specialized Sirrus 4.0
