Park Tool Electronic Shift 3-Way Tool EWS-1

A handy tool designed to make installation and removal of bicycle electronic shifting wires and batteries quick and easy

• Durable composite body is durable and prevents scratching of expensive components
• Angled Shimano® Di2® E-TUBE® ends allow for both installation and removal in tight spaces
• Universal coin cell tool helps remove and install battery covers on SRAM® eTap®

Warning: California Proposition 65 

https://planet-cyclery.myshopify.com/pages/warning-california-proposition-65