Shimano Di2 Battery - Internal (SM-BTR2)

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Looking for a super clean Di2 setup for your frame?  The lithium-ion battery is now available in a version suitable for concealed installation.  When you combine the single wire E-tube connection with a new junction unit you get both a cleaner look and easier installation.

  • Long Battery Life (up to $2000km when fully charged)
  • Available for external of concealed mourning
  • Electric wires (SM-EW50) available in a range of lengths from 150mm to 1400mm.
  • 3 and 5 port junctions for cockpit area available.  5-port includes wireless unit.
  • Special PC Interface (SM-PCE1) for system diagnostics and customizing the system