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@noBlakes
7600's and sugino 75's are both njs, all njs cranks need 109mm ISO for 42mm chainline, 111mm ISO in theory gives 43mm chainline but in practise once you've torqued the cranks down, and EAI cogs generally give a wider chainline anyway, gives a straight chainline
tl:dr = centuar 111mm iso is absoloutely fine