Shimano’s Di2 E-tube technology delivers unrivaled performance and reliability. The wide variety of customization means that Di2 can be adapted for any rider and any bike. This Y split wire is designed to offer more wiring options, and is specifically designed to wire the new EW-RS910 internal drop-bar-end mounted junction box. It comes in different lengths and configurations for different sizes of bars and frames.
3-way split for Shimano E-tube Di2 systems
Used for wiring the bar-end internal junction A box