
Di2 Parts Shimano EW-AD305 Junction-B Conversion Adapter
The Shimano EW-AD305 Junction-B Conversion Adapter is designed for seamless integration within Shimano’s Di2 electronic shifting system.
It allows you to connect components with different E-TUBE cable standards (EW-SD50 and EW-SD300), making it easy to upgrade or mix Di2 parts across generations.
- E-TUBE compatibility connects older EW-SD50 and newer EW-SD300 E-TUBE wires.
- Di2 integration works with Shimano’s latest 12-speed Di2 systems as well as earlier models.
- Compact and easy to install without adding bulk.
- Reliable Connection ensures smooth electronic shifting performance.
Original: $28.07
-70%$28.07
$8.42Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Shimano EW-AD305 Junction-B Conversion Adapter is designed for seamless integration within Shimano’s Di2 electronic shifting system.
It allows you to connect components with different E-TUBE cable standards (EW-SD50 and EW-SD300), making it easy to upgrade or mix Di2 parts across generations.
- E-TUBE compatibility connects older EW-SD50 and newer EW-SD300 E-TUBE wires.
- Di2 integration works with Shimano’s latest 12-speed Di2 systems as well as earlier models.
- Compact and easy to install without adding bulk.
- Reliable Connection ensures smooth electronic shifting performance.












