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3T Battery Holder

3T's Battery Holder holds a Shimano Di2 seat tube battery(Shimano SM-BTR2) inside your seat post, enabling easy fitting and removal of the battery. It is compatible only with 31.6 diameter seatposts.

3T Battery Holder
$21.99
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Details

3T's Battery Holder holds a Shimano Di2 seat tube battery(Shimano SM-BTR2) inside your seat post, enabling easy fitting and removal of the battery. It is compatible only with 31.6 diameter seatposts.

Part Numbers

UPC MPN
4897024829221 30097