Ergon smc4 comp saddlethe smc4 comp provides even more comfort and improved pressure distribution compared to the smc3s softer structure it offers optimal pressure relief in the perineum area thanks to a 9mm relief channel the extra large seat reduces pressure peaks and distributes the pressure on the sit and pubic bones features shell nylon gfrp rails tinox cover microfibre padding orthopaedic comfort foam weight 295g s 300g m buy ergon components from chain reaction cycles the