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Shimano chainring compatibility

Old 10-26-15, 10:23 AM
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Shimano chainring compatibility

A friend is looking to replace the chainrings on a Dura Ace 7400 crankset. I found him a source for a NOS 130mm Shimano Dura Ace 52 tooth chainring, Model 7402, which is apparently "great for 9 speed", according to the ad.

He has a 7 cog cassette, & is wondering if this chainring will work with his current setup. It seems to me that it shouldn't be a problem, but I thought I better ask around before I tell him it's okay.

Any informed opinions out there?

Thanks.
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Old 10-26-15, 10:42 AM
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I thought 7402 was a native 8s group and suspect the "great for 9 speed" line is just the seller trying to assure people that his old stuff isn't obsolete.
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Old 10-26-15, 10:42 AM
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will be fine.
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Old 10-26-15, 11:00 AM
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Excellent, thank you!
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