UST Valve stems for tubeless are required for a tubeless setup. These valve stems are specific to select Shimano road wheels, including Dura Ace 9000, 7850-SL, and Ultegra 6700 wheelsets. The valves are front and rear specific, so please order accordingly. Made for Dura Ace 9000, Dura Ace 7850-SL, and Ultegra 6700 wheelsets Manufacture Part Number: Y4DS98020 (front) , Y4DS98060 (rear)

Replacement valve for Shimano UST tubeless wheels. sold singly...