Re: Rear sprocket/rag joint position.
It doesn't make any difference about which side is shiny (chrome). Your concern should be if the sprocket is dished or not. By "dished" I mean on some sprockets the teeth are offset to one side. You'll want the teeth offset to the outside of the wheel. This will give you better chain to tire clearance and will probably align with the engine sprocket better. If the shiny side is the dished out side, so much the better but if not a few minutes on a buffing wheel will bring out the shine on the unbuffed side. Just get the teeth outboard from the center of the rear hub.
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