Shimano FC-R9100 Chainring 55T-MX for 55-42T

Shimano FC-R9100 Chainring 55T-MX for 55-42T

The Shimano FC-9100 Chainring 55T-MX for 55-42T is a tooth replacement or upgrade chainring that is compatible with the 11 speed Dura-Ace 9100 series double chainset. This four-arm Shimano FC-9100 Chainring 55T-MX for 55-42T 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.

Shimano FC-R9100 Chainring 55T-MX for 55-42T Extra Info

• Best balance for lighter weight (-7g) and efficiency

• Maintains high rigidity and reduces weight

• Shorter length of rear center with O.L.D.135mm

• Optimum power transfer

• Iconic design

• Adapted for race specific disc brake system

• Rider tuned gearing options