Shimano Ew-sd50 6770 Ultegra Di2 Electric Wire – 300mm – Black

The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion and stretching but provides effortless gear shifts. E-tube Di2 uses a fully removable individual cable system from the battery indicator junction box enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW-SD50 wires are required to connect the junction either SM-JC40 external or SM-JC41 internal to the rear mech front mech battery and to the handlebar battery indicator junction box EW-SD50 individual wires are available in varying lengths there is no need or facility to cut these cables Reliable and secure water resistant connectors

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Product GTIN: 04524667690122