The sdg duster cro mo rail saddle the dusters are a flat forward race ready proven design that allow hours in the saddle using a light weight nylon glass fibre base and d2 edge flex system this dual injected base features a soft rubberized compound along the outer edges of the saddle which allows flex through each pedal stroke while keeping the centre stiff for ultimate power transfer engineered with a snag less rear and nose platform the dusters are constructed with a mid density eva or