Shimano Di2 SM-BCR2 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