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.
Not yet rated. Be the first to
Write a Review
102-1340 Kalamalka Lake Rd Vernon, BC V1T 6V2 CALL (250) 545-8775
Regular Hours:Monday - Saturday: 9-5:30Winter Hours:Tuesday - Saturday: 9-5:30
Contact Us Facebook Us NOCS