Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset X1, Force -
Suspension Rigid -
Drivetrain 1 × 11 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Specialized Sirrus FACT 9r carbon, Fitness Geometry, Zertz, 1-1/8"" headtube
Suspension Fork
Specialized FACT carbon w/ Zertz, full monocoque
Drivetrain
Rear Derailleur
SRAM X1, 11-speed
Shift Levers
SRAM SL X1, 11-speed
Cassette
SRAM XG 1180, 11-speed, 10-42
Crank
SRAM Force CX1, 40T
Chain
SRAM PC X1
Pedals
Sirrus, 1.5mm Varus angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable
Wheels
Rims
AXIS 4.0 Disc
Brakes
Brakes
Magura MTS, Storm SL rotor
Cockpit
Stem
Specialized 3D forged alloy, integrated, 31.8mm clamp
Handlebar
Specialized flat, carbon, 8-degree backsweep, 31.8mm
Headset
1-1/8"" Campy style, integrated cartridge
Seat
Saddle
Body Geometry Phenom Expert, hollow Ti rails, 143mm
Seatpost
Specialized Pro Pave, FACT carbon, 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.45 mm | 1.46 mm | 1.5 mm | 1.54 mm |
| Front Center | 627 mm | 635 mm | 645 mm | 666 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 63 mm | 60 mm | 57 mm | 57 mm |
| Stack | 580 mm | 597 mm | 622 mm | 656 mm |
| Reach | 401 mm | 409 mm | 416 mm | 426 mm |
| Top Tube Length | 576 mm | 586 mm | 606 mm | 626 mm |
| Seat Tube Angle | 73.25 ° | 73.5 ° | 73 ° | 73 ° |
| Seat Tube Length | 440 mm | 485 mm | 530 mm | 570 mm |
| Head Tube Angle | 71 ° | 71.5 ° | 72 ° | 72 ° |
| Head Tube Length | 150 mm | 165 mm | 190 mm | 225 mm |
| Chainstay Length | 441 mm | 441 mm | 441 mm | 441 mm |
| Wheelbase | 1057 mm | 1066 mm | 1076 mm | 1097 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 758 mm | 791 mm | 828 mm | 867 mm |
| Wheels | 700 | 700 | 700 | 700 |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Sirrus Pro Carbon Disc belongs to the Specialized Sirrus model. 176 bikes variations carry this model name so far. Check out the entire range from 2015 of this model, by clicking this link.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Average price for Fitness bikes
According to our calculations, the average cost of a Fitness bike that is reliable is 656$. However, even if your budget is less than the average, you might still be able to get a top-quality Fitness bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Sirrus Pro Carbon Disc components
Fork material
When it comes to the fork, this bike has a carbon one, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels
As for the wheels, Specialized Sirrus Pro Carbon Disc 2015, has a 700c aluminum model. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Nothing is more important on a bike than its ability to brake properly. Specialized Sirrus Pro Carbon Disc is equipped with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, these are ideal for anyone.
Sizes
Specialized Sirrus Pro Carbon Disc bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, it won’t take much to find one that’s right for you.