Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset 105, microSHIFT -
Suspension Rigid -
Drivetrain 2 × 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
Shimano 105, 11-speed
Front Derailleur
Shimano 105
Shift Levers
microSHIFT, 11-speed, flat bar
Cassette
Shimano 105, 11-speed, 11-32
Crank
FSA Gossamer, forged alloy, 50/34
Chain
KMC X11, 11-speed, reusable Missing Link
Pedals
Sirrus, 1.5mm Varus angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable
Wheels
Rims
AXIS 2.0 Disc
Tires
Specialized Espoir Sport Reflect, 60TPI, wire bead, Double BlackBelt protection, 700x30c
Brakes
Brakes
Magura MTS, Storm SL rotor
Cockpit
Stem
Specialized 3D forged alloy, integrated, 31.8mm clamp
Handlebar
Specialized flat, 6061 double butted alloy, 10-degree backsweep, 4-degree upsweep, 31.8mm
Headset
1-1/8"" Campy style, integrated cartridge
Seat
Saddle
Body Geometry Targa Comp, hollow Cr-Mo rails, 155mm
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 Expert Carbon Disc completes the Specialized Sirrus model. Specialized released 176 bikes variations of this model so far. You can easily view all of the Specialized Sirrus bikes models from 2015, here.
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.
Fitness bikes average price
If you want to purchase a solid Fitness bike, it is important to know that the average cost is 656$. However, even though the average price of a Fitness bike is lower, you might still be able to get a top-quality bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Sirrus Expert Carbon Disc components
Fork material
When it comes to the fork, this bike has a carbon one, so, it is super light and stiff. In conclusion, a carbon fork gives you great control when steering, and is also more forgiving.
Wheels
As for the wheels, Specialized Sirrus Expert Carbon Disc 2015, has a 700c aluminum model. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
For your safety, it is important to have quality breaks on your bike. Specialized Sirrus Expert Carbon Disc has Hydraulic Disc brakes installed. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, your safety is in good hands.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, finding one for you shouldn’t be a problem.