Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
Be careful on the K's. A small sprocket up front can put a hole in your crank case, due to back lash. Some 0 ring and x ring chains are too wide
530 x 100
Gearing is always a thought and I can understand why you would look at that, for me 1st is always a little tall on pull away but then I think the gearing at classic!!! bike speeds I do is perfect