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The Park Tool EWS-2 is a composite three-way wrench designed to safely install and remove Shimano Di2 E-Tube EW-SD300 wires and SRAM AXS battery covers without scratching components. Its angled ends reach into tight spaces on modern electronic drivetrains.
- 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
Pairs well with

Park Tool EWS-2 Bicycle Electronic Shift Tool
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