Replacement chainrings for Dura Ace R9100 crankset.
Specifications
Redesign the 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