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greeno
so in the pic your crank doesnt have the safety pin engaged so is it fully seated? It looks a little like a wheelsmfg bb that screws into itselfhowever im prettysure these do come with some plastic shims because not all 24mm axle cranks are equal yet alone bb shell widths. I'd remove the crank again, check splines and clean them incase debris is preventing the arm going on fully.