Shimano SM-BMR2-I Di2 Battery Mount Long (Internal Routing)

Shimano SM-BMR2-I Di2 Battery Mount Long (Internal Routing)
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Price: $120.99

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This is the internal version battery mount for the Di2 Groupset battery. Available in three options Long External, Long Internal, and Short, the E-Tube Di2 SM-BMR1 Battery Mount securely holds your drivetrain's power source. Both long versions mount to either down or seat tube braze-ons. They're designed to be paired specifically with either the internal or the external wiring kit.

The short version is designed to be used on bike frames that bear the specific Di2 battery mounting location on the chainstay or down tubes. It can be used with internal or external wiring kits. The Shimano E-Tube Di2 SM-BMR1 Battery Mount accepts the SM-BTR1 7.4 volt battery.

Please Note: This is only the mount (battery not included).


  • For use on frames compatible with internal Di2 wiring
  • Attaches to water bottle mounts on the down tube or seat tube of frame
  • 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

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This product was added to our catalog on March 7, 2018