Shimano Di2 E-Tube Battery Mount - Internal Long (SM-BMR1-I)

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This item is a frame mount for Shimano's external Di2 battery. The "long" version attaches to the water bottle mount.

  • Attaches to the water bottle mount
  • Compatible with external and internal Di2 wiring kits.
  • E-Tube compatible
  • Weight: 45g.