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If your water bottle braze-ons are too close to the bottom bracket and cause interference with your Di2 Battery, then you need the Shimano Di2 Bottle Cage Adaptor to move the battery upward. This adaptor is constructed from high-strength resin and aluminum to keep weight low, and it comes with all necessary hardware.
- Item #SHI0246
- Q & A
is a must have it!
Big issue for my venge ultegre Ui2 system because I only could use onw bottle cage, but know I can use both!