This Split Disc Kit includes a spare disc for mounting your Union Expedition splitboard bindings on another splitboard or snowboard.
Split bindings do not only have to be used with splitboards. If you have a quiver of decks to choose from when the situation calls, just mount the Union Split System disc on each one. With the push of a pin you can swap your Expedition bindings between each board quicker than it takes to lace your boots.
Union disks are bombproof and use the highest grade materials to insure the strongest connection between you and your board.