I'm with Mike on this - all my Primatos have lockrings that you turn anti-clockwise to tighten: does sound like a normal sf hub to me. Saying that I use a pair of those too, with a bit of locktite on the sprocket threads; it hasn't unwound itself so far!
I'm with Mike on this - all my Primatos have lockrings that you turn anti-clockwise to tighten: does sound like a normal sf hub to me. Saying that I use a pair of those too, with a bit of locktite on the sprocket threads; it hasn't unwound itself so far!