Di2 eTube EW-AD305 Conversion Adapter - For EW-SD50 and EW-SD300

This Shimano EW-AD305 conversion adapter lets you connect an EW-SD300 E-TUBE wire to an EW-SD50 E-TUBE wire, making it a practical solution for integrating different Di2 eTube setups. Designed for Shimano EP8 EP800 series systems, it helps bridge wiring standards when building or updating your electronic drivetrain.

• Connects EW-SD300 and EW-SD50 E-TUBE wires
• Compatible with Shimano EP8 EP800 series components
• Essential for mixed-generation Di2 wiring configurations
• Genuine Shimano component from the Di2 eTube line
• Simple, purpose-built adapter for clean cable integration