Designed for use with the Campy Potenza 11 speed drivetrain Ultra-Link connectors are designed to provide maximum performance to campy transmissions Enhanced efficiency means longer life for chainrings and sprockets Special steel link pins have been designed to adhere perfectly to gears and sprocket teeth providing maximum fluidity, reduced friction and improved chain life Advanced Ni-PTFE anti-friction coating provides smooth pedaling, quiet operation and longer life through reduced friction strain 11sp 1/2x3/32 114L Ultra Link NickelUPC/EAN/GTIN: 8050046162370