Ceramicspeed OSPW Standard Derailleur Clevis for Shimano Dura-Ace R9100 – Ultegra R8000 Blue

This is an updated version of the oversized Ceramicspeed derailleur clevis for Shimano Dura Ace 9100/9150 and Ultegra 8000 SS/8050 SS derailleurs. This new design has an integrated stop tower for easier mounting.The CeramicSpeed system has been proven to be the fastest oversize derailleur clevis system in the world, offering power savings of as much as 2.4 watts over standard Shimano systems.The OSPW system for Shimano 9100/9150 and 8000 SS/8050 SS is an industry-leading product chosen by many of the world’s top professional cycling teams and triathletes.It features a 13-tooth upper pulley and a 19-tooth lower pulley for absolute rear derailleur optimization. The oversized aluminum top and bottom pulleys feature standard or coated CeramicSpeed bearings.Details Only compatible with Shimano Ultegra R8000/8050 – Dura Ace R9100/9150 Carbon clevis Lifetime 3 to 5 times longer than conventional bearings. Ceramic balls 58% lighter, 121% stronger and 68% harder than steel balls. Grade 3 ceramic balls (polished for more than 45 days) for almost no friction. Designed, manufactured and assembled in France. Please follow the assembly instructions or visit your local dealer if you are unsure. The Shimano 9100/8000 OSPW system is compatible with up to a 32 tooth cassette for Dura Ace and Ultegra derailleurs. In the box: Complete OSPW system 13 teeth/19 teeth + CeramicSpeed oil for pulley bearings, dropper bottle of 15 ml. Please note that, despite the similarities in design, this OSPW is not compatible with Shimano 9200 or 8100 12 speed derailleurs Part Number: CS110561Note The OSPW for 9100/9150 and 8000 SS/8050 SS is NOT compatible with Ultegra 8000-GS or 8050-GS (medium cage) derailleurs, nor with Ultegra RD RX800 and RX805 derailleurs with a clutch.