How Chains Wear: Difference between revisions

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Motorcycles and bicycles both use what is called a 'bushing' chain. Bicycles over five speeds must use a 'bushingless chain.
Chains do not stretch, they wear. Strech of the materials in the chain is impossible given the relatively small forces that a motorcycle or bicycle can generate. The wear takes place where the pin from one link meets the bushing (or plates) of the next link. Interestingly, Since on every other link two pins are shared by one outer plate, The chain changes length only between every other pair of links.
[[Image:Unwornchain.gif|left|frame|Rohlhoff]]
[[Image:Unwornchain.gif|left|frame|Rohlhoff]]
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Revision as of 21:36, 23 October 2006

Motorcycles and bicycles both use what is called a 'bushing' chain. Bicycles over five speeds must use a 'bushingless chain.

Chains do not stretch, they wear. Strech of the materials in the chain is impossible given the relatively small forces that a motorcycle or bicycle can generate. The wear takes place where the pin from one link meets the bushing (or plates) of the next link. Interestingly, Since on every other link two pins are shared by one outer plate, The chain changes length only between every other pair of links.


Rohlhoff


Rohlhoff