New shape specifically designed for: MTB /Marathon use. flatter sitting width. lenghtened sitting surface. large,squared and well padded front zone. the unfogettable typical rounded rear shape. Patented Wing-Flex allows free thigh movements regardless the rider's position along the saddle. Tail Flex: the first saddle with a flexible and shock absorbing rear portion for smoother transition on and off the saddle. Length: 265 mm Width: 142 mm.