Shimano Dura-Ace / Ultegra Di2 SM-BMR1-L Long Battery Mount For External Routing
- SM-BMR1-L long external type battery mount for external frame cable routing
- To be mounted on specific Di2 compatible frame battery mounts
- Reliable and secure water resistant connectors
- Battery mount for external routing
- Easy mount and remove for charging
- Bike frame friendly mount
- Battery sold separately (not included)
