SHIMANO Ultegra Di2 FD-6870 Low Adjust Bolt – M4 x 8mm – Y5P6001D0
The following are an “A” match which indicates that the parts are the same in materials, appearance, finish and size etc.
– Shimano Dura-Ace Di2 FD-R9150
– Shimano Ultegra Di2 FD-R8050
– Shimano GRX Di2 FD-RX815
Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.