The PRO Battery Holder Seatpost is a SHIMANO Di2 battery holder for storing the electronic drivetrain’s battery in the seatpost.

Highlights

• Sizes: 28.6mm seatposts (PRAC0094) and 31.6mm seatposts (PRAC0095)
• SHIMANO Di2 battery holder for storing the battery in the seatpost
• Including the stainless-steel tool to remove the set