Shimano DI2 EW-7970 Base A & Bolts-Y7DE98010

Original Shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity. Small Replacement Part for: Shimano EW-7970 Base A & BoltS (M3X6). Used as part of Shimano Bike Parts; Dura-Ace Di2 7970 10-Speed .