Shimano Di2 External EW SD50 Battery Mount short. If you're Ultegra Di2 frame battery mount needs to be replaced, or you're outfitting your Di2 ready rig one bit at a time, Nashbar is here to drop one in the mail for a price that's right. It doesn't matter if you're wiring is internal or external, this one is compatible...get powered up and get back to some flawless electronic shifting.
|Bike Nashbar||$73.99 on sale||$102.99|
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