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CeramicSpeed Shimano 9150 Oversized Pulley System Coated Alloy

SKU: CeramicSpeed-Shimano-9150-Oversized-Pulley-System-Coated-Alloy

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CeramicSpeed Shimano 9150 Oversized Pulley Wheel System Coated Alloy

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


SKU CeramicSpeed-Shimano-9150-Oversized-Pulley-System-Coated-Alloy
Chainring Size N/A


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