My buddy who has built several bikes and who is very skilled mechanically told me to only use the rubber donut on the inside and not use the donut between the sprocket and spokes. The instructions say dished side in with shiny chrome side in which I followed (but the writing is atrocious and the pictures worse).....this part is opposite Chris Hill's instructions. The two sprockets look very well aligned, though. I managed to get the sprocket nicely center. I am afraid the chain will hit my knobby tire.

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