A Roadie friend of Mine , sent a picture of some of hisworn out Derailer Pullies. He does 8K - 10K miles a year , and he knows he should do some PM , he just doesn't do it.
Thats sickening on a road bike. I could see it on a MTB... lol. Jeez tell him just degreasing his drive train once or twice a month will keep his **** goin for a long while. Atleast scrape the derailure cheese off every couple rides. Those are pretty wore out.
He must rotate them because I've never seen them wear out sharp on both sdies like that. Typically they get a shark fin look with one side having a convex arc and the other concave. Either way that's horrible!!!
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