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What is a chain tensioner?

Updated: 12/21/2022
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13y ago

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Can be two different things. Chain tensioners for bikes with horizontal dropouts are small gadgets that hook over the rear axle and pulls it towards the rear to help keep the chain tensioned. Chain tensioners for bikes with vertical dropouts are like a small spur wheel usually in the position where a rear derailer would have been. These push the chain downwards to keep an even tension on it.

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13y ago
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