Shimano E-Tube Di2 Internal Junction-A - EW-RS910 - OE
Shimano E-Tube Di2 Internal Junction-A - EW-RS910 - OE, E-TUBE Junction A - Built-in type for frame or handlebarDesigned for use as a bar-end on drop handlebars or with designated frames the RS910 junction is a 2-port option for internal E-TUBE wire routing charging battery monitoring and shift mode switching.