Shimano SM-BMR2 E-Tube Di2 Battery Mount External Long

Shimano Di2 External Battery Mount, Dura-Ace SM-BMR2-L, E-Tube, External, Long (ISMBMR2LB)

Shimano Di2 SM-BTR1 Battery Shimano's Di2 SM-BTR1 Battery is their external power source. It works with all versions of Di2, provided you have a SM-BMR2 Battery Mount to attach the battery to the system. Battery life depends on many factors. It's not only the number of times you shift, but the climatic conditions, and how often you use the front derailleur, as it takes more energy per shift.

Shimano Di2 SM-BTR1 Battery

Shimano SM-BMR2 E-Tube Di2 Battery Mount, External Short : Bike Brake Mounts And Adapters : Sports & Outdoors

Shimano's Di2 electric drivetrain takes shifting to the next level. Two Di2 Battery Chargers are available. Choose the model designed for your system's battery. An additional power cable is required for the external-style battery charger (sold separately). These chargers fully charge the battery in 90 minutes.

Shimano SM-BCR2 Di2 Battery Charger

Shimano BM-DN100 Battery Mount for SM-BTR1 Di2 Battery-Pack - black

Holds Di2 battery in place External Short

Shimano SM-BMR2 E-Tube Di2 Battery Mount

Shimano SM-BMR2-S Di2 External Battery Mount

Shimano Di2 External Battery Mount, Dura-Ace SM-BMR2-L, E-Tube, External, Long (ISMBMR2LB)

Shimano Di2 BM-DN100 battery- mount at