SHIMANO EW-SD300-I ELECTRIC WIRE Di2 350mm BUILT IN ROUTING

SHIMANO EW-SD300-I ELECTRIC WIRE Di2 350mm BUILT IN ROUTING Designed for seamless Di2 electronic shifting integration, this Shimano electric wire features 350mm length with built-in routing capability. The EW-SD300-I delivers reliable signal transmission between your derailleur and shifters, ensuring crisp, precise gear changes. Its internal routing design maintains clean cable management while protecting connections from the elements. Essential for Di2-equipped bikes seeking professional-grade performance and durability. Compatible with Shimano's electronic drivetrain systems.