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SHIMANO XTR BTC1 | Di2 Battery Mount for SM-BTR2

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  • SM-BTC1 mounts current SM-BTR2 battery externally next to bottle cage
  • Low profile design mounts toany frame with bottle cage mount
  • Junction B function
  • Six E-tube wiring ports with cable organizer
  • Clean appearance thanks to internal wire routing
  • System expansion thanks to E-tube platform

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