: Because the chain has the characteristic of becoming longer after running for a period of time, during the running-in period of the chain, there will be a “click” sound, indicating that the chain is loose and needs to be tightened.
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: Because the chain has the characteristic of becoming longer after running for a period of time, during the running-in period of the chain, there will be a “click” sound, indicating that the chain is loose and needs to be tightened.
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