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Small Parts Seatpost

Cervelo Round Seatpost Battery Mount

The Cervelo Round Seatpost Battery Mount simply allows you to properly secure a cylinder style Shimano Di2 or Campagnolo EPS battery in a round 27.2mm seatpost. This part also works with Cervelo's SP18 D-shaped seatposts used in R5 (since 2017) and Caledonia 5 framesets.


  • Simple clip-on mount for internally securing cylindrical Di2 batteries inside seatpost
  • Bottom pull tab prevents you from pulling on wire to remove
  • Compatible with all 27.2 round and Cervelo D-shaped SP18 seatposts
  • Cervelo# MT-BINT-SP2
  • Color: Black