Specialized Power Comp SaddleThe Power Comp saddle features a stiff, carbon reinforced shell and a Body Geometry design that caters to all riders. Where it differs, however, is a matter of railsCr Mo rails to be exact. This means that you sacrifice some weight savings, but otherwise, you receive the same superior performance in all seating positionsespecially aggressive ones. Proven through blood flow testing and pressure mapping, and featuring our medium grade Level 2 PU