For a lightweight, super smooth, and super efficient fitness bike, look no further. The Sirrus Comp Carbon takes the ever popular Specialized Sirrus geometry and brings you a carbon frame to soak up all the road vibrations you’ll hit on your ride. For commuting to work, or riding for exercise, the Sirrus Comp Carbon is an excellent choice. The hydraulic disc brakes will stop on a dime, and the shifting is crisp and smooth. Get wherever you’re going, and get there quickly with this bike. It doesn’t go slow – that’s not in the cards for this one.