Wolf Tooth B-RAD Half Bottle Cage AdapterB RAD Half Bottle Mounts allow for cargo customization and cargo optimization. Designed to work in tandem with B RAD Base, the Half Bottle Adaptor moves the bottle over about half a bottle radius to make it easier to access. The Accessory strap mounts can be mounted to the other side providing a mounting point for additional items. Mounts to the B Rad base mount (not included)