Definitely 6 speed. 2 speed is 55/75gi ish. 6 is 33-105 ish.
I tried lots of things to assist the two speed, 60t ring, 3 speed conversion etc, but nothing is quite as good as 6 speed!
@Rhobbs started
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Definitely 6 speed. 2 speed is 55/75gi ish. 6 is 33-105 ish.