The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts
Shimano Dura Ace SM-BCR2 Internal Battery Charger And Cable Di2 SM-BCR2 - Battery Charger, Sm-Bcr2, For Sm-Btr2 Including Charging Cord For Usb Port, Ind.Pack.
Designed for use with the Shimano Di2 E-tube system, this Y split wire offers you more options when wiring the new EW-RS910 internal drop-bar-end mounted junction box.
