Please note: ONLY for round seatpost of diameters 27.2-28.6mm or 30.9-31.6mm. Cannnot be used for aero shaped seat post. Compatible Batteries Suits Shimano Di2 Internal Batteries for both 11 Speed (BT-DN110) and 12 speed (BT-DN300) BATTERY HOLDER SEATPOSTThe PRO Battery Holder Seatpost is a SHIMANO Di2 battery holder for storing the electronic drivetrain's battery in the seatpost.HIGHLIGHTSSHIMANO Di2 battery holder for storing the battery in the seatpostIncluding the stainless-steel tool to remove the setSizes: 28.6mm seatposts (PRAC0094) and 31.6mm seatposts (PRAC0095)Respective specifications:Partnumber: PRAC0094; PRAC0095Color: Black; BlackCompatibility: For 27.2 - 28.6mm Seatpost; For 30.9 - 31.6mm SeatpostMaterial: Resin; Resin
