Shimano BCR1 E-Tube Battery Charger for BA7970 (BTR1) W/O Power Cable Bike Accessories_Components Tube valve core remains unscrewed

Tube valve core remains unscrewed

the central section of the casing features 3 layers of nylon as well as an additional puncture protection belt

Tempo: Versatility road series designed for the most enjoyable riding experience

Eliminates need for extra zip-ties

Shimano BCR1 E-Tube Battery Charger for BA7970 (BTR1) W/O Power Cable Bike Accessories_Components Tube valve core remains unscrewedShimano Di2 Battery Chargers Di2 Battery Charger (CY7972) does not include a power cable; must be purchased separately (CY7973) Di2 battery, battery charger, and power cable are universal between Dura Ace 7970 and Ultegra 6770 Di2 systems Must purchase battery, charger, and power cable to complete the system