Saddle Rail Clamp outer-pieces to adapt WCS Alloy 1-bolt posts to various saddle rail dimensions. To retrofit WCS 1-Bolt alloy seatpostsMaterial: 7050 alloy7x7mm, 8x8.5mm or 7x9.6mm availableRitchey WCS Alloy 1-Bolt Rail Clamps£17.99PriceSize*SelectQuantity*Add to Cart