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Chain length

Old 10-29-18, 05:49 PM
  #1  
bogydave
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Chain length

Using KMC X10SL
Compared to a new chain
both the ones Ive been rotating
have grown
5/16 (1700 mi)
1/4(1850 mi)

made a chain measurement board.




At what length is it recommend to replace
a 114 link chain ?
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Old 10-29-18, 06:58 PM
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Doug64
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Chains should be replaced when the stretch is greater than 1/16" in a foot, especially if you have aluminum cogs or chainrings. It is good to measure the stretch while the chain is on the bike. The rear derailleur put some tension on it. These are slides that my wife and I made for a bike maintenance course we taught. Chains are cheaper than chainrings or cassettes.



Last edited by Doug64; 10-29-18 at 07:08 PM.
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Old 10-29-18, 08:06 PM
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Le Mechanic
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Good tip on rotating chains, but once they wear to a certain point, it's best to retire them.

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Old 10-30-18, 04:26 AM
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I would replace both of those chains.
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