Denali c85 standard ”wing” is a bit bigger than other brands wing, have mine at 8 deg. 34mph rly liked the feel tracking and stability but not used to the higher workload behind the boat skied wingless on the c-75 -21
yee its them,, the foam doesnt have any solidity intended to keep the inserts in place common failure on Goode skis dont know if they changes that now and use the plastic blocks like radar and maybe other manufacturer have