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The Shimano Electric Wire 300mm Black is a high-quality electronic connection cable designed for Shimano’s Di2 and similar electronic shifting systems. Built to deliver reliable signal transmission between components, this compact 300 mm length is ideal for short internal runs, such as between junction boxes, derailleurs, or shifters where space is tight and clean routing is essential. Its durable outer casing is engineered to withstand the vibrations, moisture, and dirt commonly encountered in everyday riding, commuting, and performance cycling, helping to ensure consistent shifting performance over the long term.
This electric wire is typically used as part of an integrated electronic drivetrain setup, making it a smart choice for riders upgrading or maintaining their Di2 system. The discreet black finish blends seamlessly with most frames and cockpit layouts, supporting a tidy, professional-looking build. Whether you are a home mechanic fine-tuning your own bike or a workshop technician completing a precise internal routing job, this Shimano electric wire offers the dependable connectivity and plug-and-play compatibility you expect from a leading drivetrain brand.
