Shimano Di2 E-Tube Battery Mount - External Short (SM-BMR1-S)

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This item is a frame mount for Shimano's external Di2 battery. The "short" version mounts the external battery close to the frame bosses, typically a perferred location.

  • For use on frames that have a Di2 battery mounting location on the chainstay or down tube.
  • Compatible with both internal and external Di2 wiring kits.
  • Includes 10mm mounting bolts.
  • Weight: 30g.