Bike Forums - View Single Post - Going to a 7-Speed Cassette from a 6-Speed Freewheel

05-25-23, 10:29 AM

#29

Bill Kapaun

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Join Date: Feb 2007

Location: Mid Willamette Valley, Orygun

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

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Your stays are pretty "spindly", so I wouldn't think 4mm would offer much resistance.
How did you measure?

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