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Shimano E-Tube EW-SD50 Long Internal Battery Mount

Regular price $ 129.99

Shimano Di2 External Battery Mounts

  • Attaches to water bottle mounts on the down tube or seat tube of frame
  • For use with internal wiring kits
  • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
  • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/