Thread: Cassette question
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Old 03-31-20, 04:05 PM
  #26  
Drew Eckhardt 
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Originally Posted by dsbrantjr
Measuring over 3 feet as Bill Kapaun suggests is great, if it is convenient to remove your chain from the bike, but one should be able to measure to 1/16" accurately with a good 15- or 18-inch steel rule. Here is an inexpensive set with a 15-incher: https://smile.amazon.com/eBoot-Stain.../dp/B071H4XCDW
Just use a 12" ruler and measure over 11". The extra 0.005 inches (0.05%) isn't perceptible or significant.
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