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Shimano Sm-bcr2 Di2 Internal Battery Charger Direct To Sm-ew90 Junction

Di2 charger for the internal battery that will keep your Di2 system shifting Di2 uses a powerful long-life 7.4V Li-Ion battery: keep it in top condition and ready for shifting with this specific Shimano Di2 charger 1.5 hour charge time Plugs in directly to the SM-EW90 handlebar junction A Can also be used for completing firmware updates when linked to E-tube software on your PC