This kit is the convert the Burton Disc bindings from 2008-10 over for use on the EST Channel boards from 2011 onwards. Make your old bindings work with the new system.
Discs are 10cm diameter overall size. comes with inserts and hardware to bolt it all together on the EST Channel Burton Snowboards.
Please note this will only fit Burton Disc bindings not Re:Flex and also not other brands bindings. Contact your binding manufacturer for discs to fit the channel board.