Thread: Shimano Chainring Compatibility
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Old 03-02-17 | 07:48 PM
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HillRider
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Originally Posted by Tim_Iowa
Small rings on triples are agnostic, so you can use any 74 BCD ring for the granny.
If the OP currently has a 22T granny chainring it's safe to assume its bolt circle is not 74 mm.
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