Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
I believe that all bar the later Ks (K7/8?) used 520 chain.
I think that's what I said Rob.K0-K6: 520K7-F2: 630Still don't know the number of links though. Don't most chains come with 110-ish and you cut them down and rivet them?