Park Tool Bicycle Electronic Shift Tool

A handy tool designed to make installation and removal of bicycle electronic shifting wires and batteries quick and easy. The durable composite body features our iconic three-way wrench shape and prevents scratching of expensive components. Angled ends allow for safe installation and removal of Shimano Di2 E-tube EW-SD300; wires in tight spaces. Universal coin cell tool helps remove and install battery covers on SRAM AXS and other electronic accessories. - Compatible with Shimano Di2 E-tube, EW-SD300 wires (nominally 3 mm OD connector) - Not compatible with Shimano Di2 E-Tube EW-SD50 wires (nominally 5 mm OD connector) -- use the Park Tool EWS-1