Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Alivio, microSHIFT Road -
Suspension Rigid -
Drivetrain 2 × 9 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, integrated lower bearing, fender/rack mounts
Suspension Fork
FACT carbon fiber, alloy steerer/crown, post mount disc, Plug + Play fender mount
Drivetrain
Rear Derailleur
Shimano Alivio, 9-speed
Front Derailleur
microSHIFT R9, 31.8mm clamp, 9-speed, road double
Shift Levers
microSHIFT flatbar road, 9-speed
Cassette
Shimano, 9-speed, 11-34t
Crank
FSA Vero, forged alloy, sub compact, 110mm BCD spider, 48/32T w/chainguard
Bottom Bracket
BB-7420STw/Bolts w/RPM logo
Chain
KMC X9, 9-speed w/reusable MissingLink
Pedals
Specialized Fitness platform
Wheels
Rear Hub
Shimano Center Lock, disc, 10x135mm QR, 32h
Rims
Disc, 6061 aluminum double-wall
Spokes
Stainless, 14g w/self-locking threads
Tires
Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection
Brakes
Brakes
Shimano M315 hydraulic disc, resin pads, 160mm rotor
Cockpit
Stem
Alloy, 4-bolt, 7-degree rise, 31.8mm clamp
Handlebar
Specialized, double-butted alloy, 9-degree backsweep, 31.8mm
Seat
Saddle
Canopy Sport, steel rails
Seatpost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.46 mm | 1.49 mm | 1.5 mm | 1.54 mm | 1.58 mm |
| Bottom Bracket Height | 281 mm | 281 mm | 281 mm | 281 mm | 281 mm |
| Front Center | 621 mm | 629 mm | 637 mm | 647 mm | 667 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 70 mm | 67 mm | 64 mm | 60 mm | 60 mm |
| Stack | 558 mm | 579 mm | 595 mm | 621 mm | 654 mm |
| Reach | 383 mm | 389 mm | 397 mm | 404 mm | 413 mm |
| Top Tube Length | 550 mm | 565 mm | 575 mm | 595 mm | 615 mm |
| Seat Tube Angle | 73.5 ° | 73.3 ° | 73.5 ° | 73 ° | 73 ° |
| Seat Tube Length | 395 mm | 440 mm | 485 mm | 530 mm | 570 mm |
| Head Tube Angle | 70.5 ° | 71 ° | 71.5 ° | 72 ° | 72 ° |
| Head Tube Length | 130 mm | 150 mm | 165 mm | 190 mm | 225 mm |
| Chainstay Length | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1051 mm | 1060 mm | 1068 mm | 1077 mm | 1098 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 711 mm | 745 mm | 781 mm | 816 mm | 854 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
Model Overview
Sirrus Sport is part of the Specialized Sirrus model. Specialized released 176 bikes variations of this model so far. Check out the entire range from 2017 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
If you want to purchase a solid Fitness bike, it is important to know that the average cost is 656$. However, you could also get a good Fitness bike even if you pay a lower amount than the average price. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Overview of components
Fork material
Sirrus Sport has a carbon fork, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels
The wheels on Sirrus Sport are the 700c aluminum type. These wheels are the most used kind for road bikes in general. 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 Sport is equipped with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.
Sizes
This bike is available in 5 sizes. They vary from 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, finding one for you shouldn’t be a problem.