Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Wheels 700c
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Groupset Altus, Shimano
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Suspension Rigid
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Drivetrain 3 × 7
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Brakes Rim
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 Premium aluminum, fully manipulated tubing, smooth weld compact design, internal cable routing, integrated headset,fender and rack eyelets
Suspension Fork
Straight blade steel fork w/ rack eyelets
Drivetrain
Rear Derailleur
Shimano Altus
Front Derailleur
Shimano, dual pull, top swing
Shift Levers
Shimano EF-51, EZ Fire
Cassette
SRAM, 7-speed, 12-32t
Crank
Shimano FCM131
Bottom Bracket
Sealed cartridge, square taper, 68mm
Chain
KMC Z-7, 12"" x 3/32""
Pedals
Nylon flat pedal w/ reflectors
Wheels
Front Hub
Forged alloy, sealed, QR, 32h
Rear Hub
Forged alloy, double-sealed, cassette, QR, 32h
Rims
Alex AS-14, double wall
Spokes
Stainless 14g
Tires
Specialized All Condition Sport, 700x32c, wire bead, 60TPI, w/ Flak Jacket protection
Brakes
Brakes
Die cast aluminum, 108mm linear pull
Brake Levers
Shimano EF-51 integrated w/ shifter
Cockpit
Stem
Alloy, CP bolt, 25.4mm
Handlebar
Alloy, small rise, 25.4mm
Headset
1-1/8"" sealed Cr-Mo bearings integrated w/ headset, 20mm alloy cone spacer with 20mm of spacers
Seat
Saddle
Body Geometry Riva Road, 155mm width
Seatpost
Alloy, two-bolt clamp, 30.9mm
About this model
Sirrus belongs to the Specialized Sirrus model. Specialized launched 176 bikes of this model so far. Check out the entire range from 2011 of this model, by clicking this link.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Average price for Fitness bikes
According to our calculations, the average cost of a Fitness bike that is reliable is 656$. However, you could also get a good Fitness bike even if you pay a lower amount than the average price. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
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.
Overview of components
Fork material
The fork is made out of steel, which tends to be more flexible than carbon forks in general. However, a carbon fork is considerably lighter.
Wheels
The Sirrus 2011 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
For your safety, it is important to have quality breaks on your bike. Specialized Sirrus has Rim brakes installed. Rim brakes deliver an average performance overall. However, they have problems in wet conditions.
Sizes
This bike has one size only, so it might not fit you. In conclusion, make sure it fits you, or look for another model.
