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Old 08-05-09, 10:05 PM   #1
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Need to replace crankset from 8 to 10 speed?

With Shimano components, if I were to go from an 8 speed setup to a 10 speed setup, do I have to replace the crankset? I've read that the chainring spacing needs to be narrower so the narrower chain doesn't fall between the chainrings. I've also read that this is a marketing scheme and has little influence in real life. What to believe?
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Old 08-06-09, 08:48 AM   #2
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I don't know if this will help, but I was just running a SR Suntour 7 speed crank on a 9 speed otherwise full XT hybrid without any issues. Have heard that in practice the crankset is forgiving of changing chain widths.

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