Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Apex, SRAM -
Suspension Rigid -
Drivetrain 2 × 10 -
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 E5 aluminum, fully manipulated butted tubing, smooth weld, carbon SS w/ Zertz, internal cable routing, tapered/integrated headset, fender/rack eyelets
Suspension Fork
Specialized FACT carbon legs, aluminum crown/steerer, Zertz inserts, fender eyelets
Drivetrain
Rear Derailleur
SRAM Apex
Front Derailleur
SRAM Apex
Shift Levers
SRAM SL trigger, 10-speed
Cassette
SRAM Apex, 10-speed, 11-32t
Crank
FSA Omega compact
Bottom Bracket
Cartridge, external bearing
Chain
KMC DX10SC
Pedals
Sirrus pedal, 1.5mm Varus Angle, nylon body, symmetric alloy cage, low profile bearing system, toe clip capable
Wheels
Front Hub
Sirrus 460V, forged alloy, double sealed, smooth ground race, 24h
Rear Hub
Forged alloy, sealed mechanism, ground races, cassette, custom shape and graphic, 32h
Rims
Sirrus 460V, 27mm semi-aero, 24/32h
Spokes
Stainless 2.0mm threadlocked
Tires
Specialized All Condition Armadillo Elite, 120 TPI, aramid bead, 700x28c
Brakes
Brakes
Tektro 2D linear pull, cartridge pads
Brake Levers
Tektro 1.0 forged alloy
Cockpit
Stem
Specialized EliteSet, 3D forged alloy, 12-degree, 4-position adjustable, 4-bolt, 31.8mm clamp
Handlebar
Specialized DB, butted alloy, flat bar, 6-degree bend, 31.8mm
Headset
1-1/8"" sealed Cr-Mo Campy Style integrated bearings, 15mm alloy cone spacer with 30mm of spacers
Seat
Saddle
Body Geometry Targa Comp, Cr-Mo rails, 143mm
Seatpost
Specialized Elite, carbon/alloy, 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Front Center | 620 mm | 629 mm | 637 mm | 646 mm | 667 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 69 mm | 66 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 | 1067 mm | 1077 mm | 1098 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 704 mm | 736 mm | 772 mm | 807 mm | 845 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 |
About this model
Sirrus Pro is a Specialized Sirrus model. There are 176 bikes that carry this model name. Check out the entire range from 2012 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.
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, this doesn’t mean that if you spend less money on a Fitness bike, you couldn’t get a decent one. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Internal Cable Routing
It’s also important to mention the internal cable routing that this bike has. In short, this will allow you to keep your bike cables in great condition. Say goodbye to hanging cables.
Sirrus Pro components
Fork material
The fork on this bike is made out of carbon, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels size
The Sirrus Pro 2012 bike is equipped with 700c aluminum wheels when leaving the factory. 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
When you want to stop the bike in time, the brakes are vital. The Sirrus Pro has Rim brakes. Slightly lighter than hydraulic brakes, rim brakes are a budget choice. However, you could spend a little extra and get a bike that has hydraulic brakes.
Sizes
Specialized Sirrus Pro bike has 5 sizes, in the range of 156 cm – 195 cm (5.12 ft – 6.4 ft). In short, you can easily find one that suits you.