Service is initially offered at the dealer, so try them first. Whatever your dealer can't help with, they will likely run up the ladder to your rep and so on. You have one of the best sales reps in the world that works Boca and certainly can help you out.
You can contact the brand directly via their website www.cabrinhakites.com
, but that usually circles back around to the distributor and dealer. Feel free to PM me with something specific.