Shimano EW-SD50 Battery Mount No PCKG

Shimano EW-SD50 Battery Mount No PCKG The Shimano EW-SD50 Battery Mount is meant to be used with exeternal wiring kits and requires a firmware update to be compatible with Alfine Di2 and Dura-Ace 9070 Di2 systems. Shimano EW-SD50 B... Discounted at only: US$ 49.99