Campagnolo potenza 11 speed chainthe potenza chain will work with all 11 speed campagnolo groupsets it features a thickness of 55mm that has been combined with new materials and a special anti friction treatment to permit outstanding fluidity the ultra link closure system guarantees safety and the long life of the chain features ultra link chain link connecting system ultra link chain links special steel links antifriction ni ptfe treatmentbuy campagnolo components from chain reaction cy