Shimano BMDN100 Di2 Long Battery Mount for External Wiring

Shimano BMDN100 Di2 Long Battery Mount for External Wiring. Designed specifically for Shimano Di2 systems, this external battery mount ensures reliable power management for your electronic shifting setup.

• Compatible only with Di2 components sharing the same firmware version to prevent malfunctions.
• Firmware updates can be easily performed using the Di2 system checker available at http://e-tubeproject.shimano.com/.

Enhance your bike’s performance with this essential accessory for seamless and efficient electronic shifting.