out of my own experience, these Lascos do work best with 103mm BB, but this gives a very good 42.5 chainline (i think?) i wouldn't expect for (107-103=)4mm of difference to be that critical
@scorch started
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out of my own experience, these Lascos do work best with 103mm BB, but this gives a very good 42.5 chainline (i think?) i wouldn't expect for (107-103=)4mm of difference to be that critical