This is the Giant Internal Battery Mount for Di2 Seatpost mounting batteries in aero seatposts such as ISP, Vector, and D-Fuse models. The holder is inserted into post beside the battery and a compression screw expands the holder to secure the battery in position.

 Fits:

• 08-15 TCR Adv SL ISP (Vector shape)
• 12-14 Defy Adv SL ISP (Vector shape)
• Vector seatposts
• 15+ Defy Adv SL ISP (D-Fuse shape)
• D-Fuse seatposts
• 14+ Propel Adv SL ISP
  

Does not Fit:

• 16+ TCR Adv SL ISP (Variant shape)
• 16+ Variant seatposts  

This product was added to our catalog on December 2, 2015