Thread: Replace the chain - go by chain checker tool or mileage?
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Old 07-30-19 | 11:05 PM
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Bill Kapaun
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From: Mid Willamette Valley, Orygun

Bikes: 87 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds. 2019 Giant Explore E+3

Chain Checkers are known for showing more wear than you actually have.
I finally got a worn enough chain to use my PARK tool.
It barely fit at .5%.
I took the chain off and measured a 3' section with my scale.
3/32" or .25%.
Is your CC "calibrated"?
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