Shimano Ultegra RD-R8000 End Adjuster Bolt - GS Cage - M4 x 18mm - Y3E998040

Shimano Ultegra RD-R8000 11 speed Medium Cage (GS) rear derailleur End Adjuster Bolt.

The following are an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.

- Shimano 105 RD-R7000-GS
- Shimano GRX Di2 RD-RX817
- Shimano GRX Di2 RD-RX817
- Shimano GRX RD-RX812
- Shimano GRX RD-RX810
- Shimano Ultegra RX RD-RX800-GS
- Shimano GRX RD-RX400

The following are a "B" match which indicates that the parts are usable, but differ in materials, appearance, finish & size etc.

- Shimano Dura-Ace RD-R9100-SS

Genuine Shimano replacement part.