The SHIMANO EW-SD300-I is a genuine Di2 electric wire designed to connect components within Shimano's electronic shifting system for bicycles with internal cable routing. Its compact design and updated SD300 connectors ensure reliable power and data transmission between Di2 components.

Developed for the latest generation of SHIMANO Di2 systems, the EW-SD300-I features smaller connectors that simplify installation in modern bicycle frames with internal cable routing. The included cable clips help prevent rattling inside the frame, ensuring a clean and quiet setup.

Choosing the genuine SHIMANO EW-SD300-I electric wire guarantees maximum reliability, stable system performance and long-lasting durability for both everyday riding and high-performance cycling.

Key features:

• Genuine SHIMANO Di2 electric wire
• Designed for internal cable routing
• Compact SD300 connectors
• Reliable power and data transmission between Di2 components
• Includes cable clips
• Helps create a clean and rattle-free internal cable installation
• High reliability and long service life
• Compatible with SHIMANO Di2 systems using SD300 connectors