The Specialized Sirrus Comp Disc Carbon Hybrid Bike 2015 delivers an incredibly efficient and enjoyable riding style that is perfect for all of your road adventures, whether it be your daily commute or an afternoon training session you will get there quicker and easier thanks to its light yet highly versatile design. With Fitness Geometry impleneted into the design of the Hybrid Bikes carbon frame you are kept in a more natural, relaxed riding position that doesn't sacrifice power or control in the chase of a comfortable ride.