Shimano EW-JC302 2-Port Junction for Di2 Electric Wire

Electronic cable for SHIMANO STEPS and SHIMANO Di2 components with EW-SD300 connector type.

E-TUBE
The E-TUBE platform's “Plug & play” and D-FLY wireless connections make it easier than ever to check the system's status, and apply customized settings to DI2 and SHIMANO STEPS components with a PC, tablet or smart phone.

Benefits & Features
Wirelessly customize functions like SHIMANO SYNCHRONIZED SHIFT over Bluetooth while out on a ride.
Automatically checks for firmware updates on each startup to ensure all components are running the latest version.
PC, smartphone and tablet applications can help you quickly diagnose errors and simplify the repair process.
Beautiful visualization of your real-time SHIMANO STEPS riding data on your smartphone.
Advanced all-weather design resists rusting, stretching, and freezing.