While riding, I was feeling that my pedalling wasn’t smooth and seemed to “catch” on something. When I pedalled again from a stop light, the chain came loose where the chain links are.

Not sure what was the cause. Could it be just poor installation? I’ve ridden 50+ kms since re-installing the quick link after cleaning the chain.

by imaginary-fireplace

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  1. A part answer because “it depends”

    1.  If the chain felt odd,  it’s likely the quick link wasn’t locked out.  That lengths the chain 1/3 a link and it rides up on cog teeth, then settles.  That could lead to it falling apart with a lack of tension.      

    ^ cause – poor install or wear.   It doesn’t really matter – no benefit to root cause

    2.  Its possible the whole chain is worn and at risk of snapping and the quick link was first to fail.     If this is true,  a spare quick link will get you home but best to replace the chain.

    ^ you can / should buy a chain wear checker.  Eg park tool.   At 0.5 or 0.75 wear, replace the chain 

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