The Shimano EW-SD50 Di2 E-Tube Wireis a premium-quality cable engineered to connect components within Shimano’s advanced electronic Di2 shifting systems. Designed for reliable performance, it ensures smooth, precise gear changes with minimal signal loss or interference. Its durable construction supports both internal and external routing, making it highly adaptable to different frame configurations.

Built with Shimanos proprietary E-Tube technology, the EW-SD50 features a standardized two-prong connector compatible with Dura-Ace and Ultegra Di2 setups, as well as other E-Tube-equipped systems like Shimano STEPS. Available in multiple lengths to suit varied layouts, its sleek, low-profile design minimizes aerodynamic drag. For clean internal installations, frame grommets are sold separately.

Key Features:

• Reliable E-Tube Integration Compatible with Shimano Dura-Ace, Ultegra Di2, and STEPS systems (not with Dura-Ace 7970).

• Flexible Installation Supports both internal and external routing to fit a variety of bike frames.

• Low-Profile Performance Compact design minimizes aerodynamic drag and offers clean aesthetics.