Rotor Round Ring BCD 110x4 55T (42) 12-11s

ROTOR Round Rings BCD110x4 12-11s Aero. Round BCD110x4 12-11s chainrings compatible with all ROTOR cranks using BCD110x4 spider and INspider® power meter in combination with Shimano® 2x12s or 2x11s groupsets.

In addition, these chainrings are also compatible with Shimano® Dura-Ace® FC-R9200, FC-R9100 and Ultegra® FC-R8100, FC-R8000, Shimano 105® FC-R7100, cranksets, offering fast and precise shifting while keeping weight very low.