Specialized Power Arc Expert SaddleThe new Specialized Power Arc Expert saddle expands on the success of Specialized's original Power saddle. It features the same channel, length, and hollow titanium rails as the original and Pro Arc, but where it differs is in its shell and padding. But this means that it still features a stiff composite shell and supple, Level Two PU padding. The shape of the saddle is also designed to provide ample sit bone support, and this has been coupled with a