Hi, can someone please tell me if this wear is normal? I'm mostly concerned with the wear in the groove, not sure if that's normal or not.
It's a 520 chain conversion with a -1/+2 on the sprockets. Estimated 5k miles on the combo. Thanks in advance
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It's a 520 chain conversion with a -1/+2 on the sprockets. Estimated 5k miles on the combo. Thanks in advance
