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Aug. 27, 2020, 8:05 a.m. -  Chris

I'm old enough to have rocked the triple chainrings.  The only time you were ever in the big ring was pavement or some very mellow/shallow fire road.  Conversely, I spend probably 90% of the time in the largest cassette cog.  Winch and plummet style.  I get about 2500 miles on an XO1 before having to replace the largest alloy cog and then another 2500.  I get more than 5000 miles on a GX all steel cassette.

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