The profile of the cosine road saddle is optimised for comfort in a range of cycling applications the shallow convex profile accommodates both a relaxed slightly more upright cycling posture and a tucked aerodynamic position for cyclists with a flexible lower back the sit bones are supported when the pelvis is upright for those with a less flexible back the pelvis may tilt forward the slight curve and cut out base relieve pressure in the soft tissue in front of the pelvis and allows clea