The Shimano EW-SD300 Electric Wire (750mm) is a high-performance connection cable designed for Shimanos latest Di2 electronic shifting systems. Specifically tailored for use with the updated 12-speed road and MTB Di2 platforms, this cable ensures a reliable and secure data and power connection between system components like derailleurs, shifters, and junction boxes.With a slimmer profile than previous generation EW-SD50 wires, the EW-SD300 allows for easier internal routing through modern frames, particularly those with tighter tolerances. Despite its compact size, the wire delivers excellent durability, water resistance, and signal integrity, making it suitable for demanding conditions and long-term use. At 750mm in length, its ideal for medium-distance connections such as from shifters to junctions or derailleurs in most standard-sized bikes.Features:- Compatible with Shimano 12-speed Di2 systems (Dura-Ace, Ultegra, XT, etc.)- 750mm length ideal for internal routing on most frame sizes- Slim, lightweight design for improved cable management- Secure plug-and-play connection with waterproof sealing- High signal integrity for precise electronic shifting

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