I usually get 20k out of a chain also. I have had a chain that had a relly bad tight spot and the rest of the time it was loose. Trust change that chain now its only going to eat your sprockets to shit if you dont.
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"KingOfAllBlacks" Y'all suck. I'm taking my new stolen bike,
My chicken and all of your white woman and going home.
"When a man has done his best, has given his all, and in the process supplied the needs of his family and his society, that man has made a habit of succeeding."