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King of the Idiots
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Are the newer Race Face nine speed compatible chain rings compatible with older eight speed drivetrains? Are they the same?

I would think that they may be thinner, but the spacing would be the same using the older hardware.

thanks
 

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yes and no

taco said:
Are the newer Race Face nine speed compatible chain rings compatible with older eight speed drivetrains? Are they the same?

I would think that they may be thinner, but the spacing would be the same using the older hardware.

thanks
Yes, you can run 9spd rings on 8 spd drivetrain no problemo.
You are right, 9spd rings are thinner, but I believe the base of the rings (where it's bolted on) are the same (I haven't measured), so you don't have to have different sized spacers.

hasta,
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