IEWSD300L100
![Shimano EW-SD300 Di2 eTube Wire - For External Routing, 1000mm, Black](http://shopbikesupply.com/cdn/shop/files/CY8919_{width}x.jpg?v=1715385990)
Shimano EW-SD300 Di2 eTube Wire for external routing is available in a variety of lengths.
- Compact design makes new electric components smaller and lighter
- EP8 EP800 Series