CERAMIC SPEED OSPW Shimano R

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 a 13-tooth upper pulley wheel and a 19-tooth lower pulley wheel to provide absolute optimization of the rear derailleur
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 (long cage) nor with the clutch equipped Ultegra RD RX800/RX805
CeramicSpeed products with coated bearings include a 6-year warranty
DETAILS
Fits Model: Ultegra R8000-SS
Fits Model: Dura-Ace R9150
Fits Model: Ultegra R8050-SS/GS
Largest Cog: 32
Fits Brand: Shimano
Fits Model: Dura-Ace R9100
Drivetrain Speeds: 11