. Seatpost Carbon 1-bolt replacement clamps for use with 8x 8 5mm carbon rails.
Features: This clamp is necessary in order to assembly saddles with carbon rails of 8x 8 5mm on the Ritchey Carbon 1-bolt seatpost Fizik Carbon saddles are usually made with 7x 9 6mm rails PLEASE NOTE THIS IS AN ALLOY PIECE DESIGNED FOR USE WITH A CARBON RAIL SYSTEMBuy Ritchey Components from Chain Reaction Cycles, the World's Largest Online Bike Store.