Shimano SM-BA01 Di2 Bottle Cage Relocator for SM-BTR1 Battery Bike-Pedals-Flat Pedals the Uncollar++ helps ensure an

the Uncollar++ helps ensure an effective seal from water entry at high speeds

Put bottle cages exactly where you want them

Safe for all washable fabrics

Wrenches made from industrial tool steel

and 80 mg of magnesium per liter)

Shimano SM-BA01 Di2 Bottle Cage Relocator for SM-BTR1 Battery Bike-Pedals-Flat Pedals the Uncollar++ helps ensure anIf 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 the necessary hardware.