Shimano EW-SD300 E-Tube Di2 Electric Wire, 950mm

Shimano's EW-SD300 E-Tube Di2 electric wire delivers reliable signal transmission for electronic shifting systems. At 950mm, this cable length accommodates most road and gravel bike frame geometries without excess slack. Built to Shimano's exacting standards, it ensures consistent, crisp gear changes in all weather conditions. The durable outer jacket resists abrasion and UV degradation, while the secure connectors maintain signal integrity through years of riding. Essential for Di2 system maintenance, repair, or custom builds.