- 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 www.si.shimano.com
- Derailleurs
- ultegra/grx r8000 pulley set
- Free Local Delivery is available for all new bike purchases.
- Nationwide Delivery is available for all parts, accessories and clothing.
- For details on Returns, please see our Delivery & Returns policies here.