Shimano Dura-Ace FC-R9100 11 Speed Chainrings BIKESPORTZ The plate positioned on the

The plate positioned on the aluminium outer cage prevents the chain from escaping when upshifting and increases speed in the downshift phase

or the shortcut on your way home

the cable housing extends to lower tip of the cable adjustment screw eliminating added friction

not on the rim

Shimano Dura-Ace FC-R9100 11 Speed Chainrings BIKESPORTZ The plate positioned on theReplacement chainrings for the Shimano Dura Ace FC R9100 crankset. Specifications Redesigned gear teeth profile to fit a wider gear pitch Rider tuned gearing options Exclusive for Dura Ace R9100 cranksets 11 speed SIS compatible Outer chainrings are hollow forged and machined with integrated (blind) threads for optimized strength to weight Speed: 2x11 speed BCD: 110mm 4 Arm Asymmetrical Mfr Claimed Weight TBC Refresh your Dura Ace R9100 crankset with