The ddrum Dominion line comes in an ash shell, or a maple shell. Not sure whether they are manufactured by Keller, or not. Since Keller seems to supply a lot of the shells for a lot of the manufacturers, I guess it wouldn't surprise me. On the other hand, PDPlayer had several ddrum kits (his name was formerly ddrumbum), and they all seemed to have bearing edge problems. If they were Keller shells, I would think all the manufacturers would be having the same problems.
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