Connect, diagnose, and update your Shimano Di2 electronic shifting system with the genuineShimano SM-PCE02 PC Connection Device — a must-have tool for E-TUBE project users. Designed for the latestEW-SD300 series and EW-JC304 junctions, the SM-PCE02 links your Di2 bike components to your PC via USB for firmware updates, error checks, customization, and system settings using Shimano’s.
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