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Old 04-03-2013, 11:15 AM
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2door 2door is offline
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Join Date: Sep 2008
Location: Littleton, Colorado
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Default Re: Tension and Tighten project

Keep in mind that the tension needs to be applied to the lower chain run, not the top.
The reason is that when the chain is under load, pulling the bike, the top chain run is all ready tight. It's the bottom chain that will go slack. Applying tension to the top of the chain defeats the purpose of a tensioner.

Yes, I've seen pictures of tensioners mounted on the top and the builders swear they work but the concept is contrary to engineering practice.

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