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absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage for Shimano 9100 / 8000

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The absoluteBLACK's HOLLOWcage® Oversized Derailleur Pulley Cage for Shimano 9100 / 8000 features a revolutionary mono-plate design to provide quiet and precise shifting.

  • Designed for use with Shimano Dura Ace 9100 / 9150 / 9170 , and Ultegra 8000 / 8050
  • Fits up to a 32T cassette
  • The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise
  • Flexible cage design aligns better with the angle of the chain when using the higher gears of the cassette
  • HOLLOWcage uses abnormally large, bespoke, full ceramic bearings that make the pulleys incredibly stiff for greater shifting precision
  • Upper pulley features tall teeth to provide improved shifting precision