Shimano Ultegra GRX RD-R8000/R8050/RX812 Pulley Set


  • This product is a Genuine Shimano replacement part
  • For Ultegra and GRX RD-R8000 RD-R8050 RD-RX800 RD-RX805 RD-RX812 rear derailleurs
  • For a full exploded diagram of all spares please refer to

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