Shimano di2 sm bcr1 battery charger
Dura ace di2 dual integrated intelligence moves to the next generation tested in competition and taken to victory by pro riders in all conditions including the 2012 tour de france team sky keep your battery charged so youre not caught out without power this charger is for the externally mounted battery key features dura ace di2 charger that will keep your di2 system shifting dura ace di2 uses a powerful long life 74v li ion battery keep it in top condition and ready for shiftin