The only issue with re-spacing is that the easy-to-find cassette spacers are not the same as those used in freewheels. The 7400 freewheel body is larger in size than a freehub body IIRC. For that reason, I'd maybe just get a spare shifter.
@rodabod started
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The only issue with re-spacing is that the easy-to-find cassette spacers are not the same as those used in freewheels. The 7400 freewheel body is larger in size than a freehub body IIRC. For that reason, I'd maybe just get a spare shifter.