Chain for 20/47?

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coaster
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Anyone know which chain I need for a 20/47 spocket combo? I'm running 19/47 with a worn 82 link chain.
Cheers
Colin
phil23fair
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You'll need an 83 link chain, but I would recommend you fit an LTH Variochain top chain tensioner that pushes the chain down instead of up. I was running on the same combination of sprockets and when the chain stretched it touched the casing which ended up suffering chain rash. The Variochain tensioner sorted the problem.
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coaster
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I've ordered an 83 link chain, but re the pull down tensioner, how are the home spun ones performing, I seem to remember a few being made a while back. The LTH one is not a cheap solution.
mark
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Peachy is running the one I made and has had no prob from what I know. Give him a bell
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