CeramicSpeed OSPW System for Shimano 9100/8000 11-Speed

Description

The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design. Features 13-tooth upper and 19-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls Robust cage crafted from polyamide and carbon fiber for durability and light weight Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion Only compatible with Dura Ace 9100/9150 and Ultegra 8000-SS/8050-SS Not compatible with Ultegra 8000-GS or 8050-GS (medium cage) nor with the clutch equipped Ultegra RD RX800/RX805 CeramicSpeed products with coated bearings include a lifetime warranty CeramicSpeed Oversized Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS – Coated Races, Alloy Pulley, Carbon Cage, Red keyword search: OSPWS Largest Cog: 32 Fits Brand: Shimano Fits Model: Ultegra R8000-SS , Ultegra R8050-SS/GS , Dura-Ace R9100 , Dura-Ace R9150 Drivetrain Speeds: 11 Defined Color: Red CeramicSpeed Oversized Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS – Coated Races, Alloy Pulley, Carbon Cage, Black keyword search: OSPWS Largest Cog: 32 Fits Brand: Shimano Fits Model: Ultegra R8000-SS , Ultegra R8050-SS/GS , Dura-Ace R9100 , Dura-Ace R9150 Drivetrain Speeds: 11 Defined Color: Black