Di2 EW-AD305 SD300 to SD50 Conversion Adapter

The Shimano Di2 EW-AD305 SD300 to SD50 Conversion Adapter is a practical solution for connecting different wire types in your Di2 setup. This adapter allows you to link the slim 3.45 mm diameter EW-SD300 wires to the larger 5.1 mm EW-SD50 wires, ensuring compatibility across your Shimano Di2 components.

Key Features

• Connects EW-SD300 wires with a 3.45 mm plug to EW-SD50 wires with a 5.1 mm plug.
• Provides a reliable and secure water-resistant connection

This adapter is essential for maintaining a seamless and efficient Di2 system, offering both reliability and ease of use.