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Code: 3T30097
3T Di2 Compatible Battery Holder 27.2/31.6
  • Internal seatpost Di2 battery holder, fits 27.2 and 31.6 seatposts
  • Does not include battery
Pat B I wasn't sure about this, but it seems to hold the battery well and it's fairly light. Works for me!
Rossignol Decent battery holder. Works as it should, but not the most elegant solution. Prefer the pressure-fit synthetic products.