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Since 30mm, LAB is correct that it is a RH1 head. RH1 heads were not marked.Since it has a stamp of 1/73 it left the factory with either the 3rd or last iteration of the main bearings, so, IMHO, there's no main bearing issues assuming that they are still good.
Since 30mm, LAB is correct that it is a RH1 head. RH1 heads were not marked.
Since it has a stamp of 1/73 it left the factory with either the 3rd or last iteration of the main bearings, so, IMHO, there's no main bearing issues assuming that they are still good.
