Shimano FC-R9100 Dura Ace Chainring
Description
##Shimano FC-R9100 Dura Ace Chainring - 55t The A Shimano FC-9100 Chainring 55T-MX is a 55 tooth replacement or upgrade outer chainring that is compatible with the 11 speed Dura-Ace 9100 series double chainset, for use with an inner ring of 42 teeth. This four-arm outer chainring is machined from aluminium and carbon, giving both greater rigidity and lighter weight than its predecessors, and with that rigidity comes improved shifting for accurate gear changes every time.
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