Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Acera, Shimano -
Suspension Rigid -
Brakes Rim
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, fully manipulated butted tubing, integrated lower bearing, fender/rack eyelets
Suspension Fork
A1 Premium Aluminum, Cr-Mo steerer, fender/rack eyelets
Drivetrain
Rear Derailleur
Shimano Acera, 9-speed
Front Derailleur
Shimano Acera, top swing, dual-pull
Shift Levers
Shimano EZ Fire, 9-speed
Cassette
Shimano, 9-speed, 11-32
Crank
Forged alloy, 9-speed, square spindle, w/ chainguard
Bottom Bracket
Square taper, cartridge bearings
Chain
KMC X9, 9-speed, reusable Missing Link
Pedals
Sirrus, 1.5mm Varus angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable
Wheels
Front Hub
Double-sealed, QR, 32h
Rear Hub
Double-sealed, QR, 32h
Rims
700c, alloy double-wall, CNC sidewalls, pin joint, 32h
Spokes
Stainless, 14g, w/ brass nipple
Tires
Specialized Nimbus, 26TPI, wire bead, Flak Jacket protection, 700x32c
Brakes
Brakes
Alloy V-brake, linear pull, w/ alloy lever
Cockpit
Stem
Specialized 3D forged alloy, 4-bolt, 6-degree rise, anti-corrosion hardware
Handlebar
Specialized flat, 6061 double butted alloy, 10-degree backsweep, 4-degree upsweep, 31.8mm
Headset
1-1/8"" FSA integrated cartridge lower, external sealed upper bearings
Seat
Saddle
Body Geometry Targa Sport, steel rails, 155mm
Seatpost
Alloy, 2-bolt, micro-adjust, 12.5mm offset, 27.2mm, anti-corrosion hardware
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| 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 | 63 mm | 60 mm | 60 mm |
| Top Tube Length | 550 mm | 565 mm | 575 mm | 595 mm | 615 mm |
| Seat Tube Angle | 73.5 ° | 73.25 ° | 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 a Specialized Sirrus model. Specialized launched 176 bikes of this model so far. You can get a glimpse at all models from 2015, by clicking on 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.
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, paying less money than this amount doesn’t mean that you couldn’t get a great Fitness bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Sirrus Sport components
Fork material
The fork is made out of aluminum, which is a lighter material. However, it is not as tough, nor durable as steel is.
Wheels
As for the wheels, Specialized Sirrus Sport 2015, has a 700c aluminum model. These wheels are the most used kind for road bikes in general. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
When you want to stop the bike in time, the brakes are vital. The Sirrus Sport has Rim brakes. Rim brakes are cheaper than hydraulic brakes, and also easier to maintain. However, they are not nearly as effective as hydraulic brakes are.
Sizes
Sirrus Sport comes in 5 sizes, that range from 156 cm – 195 cm (5.12 ft – 6.4 ft). In conclusion, it won’t take much to find one that’s right for you.