ROTOR Bike Components - Now you can assemble your Shimano® Dura-Ace R9100 or Shimano® Ultegra R8000 cranks (covers also available) with the new ROTOR Q RINGS BCD110X4 and enjoy all the advantages
Rotor Q-Rings Direct Mount MTB 32 Tooth [C01-036-29010-0] at BikeTiresDirect
Chainring Bcd110 Narrow Wide Circle Aero Q Ring For Shimano Fc-4700 5800 6800 9000 1x System Chainwheel - Bicycle Crank & Chainwheel - AliExpress
Rotor Qrings chainring set for Shimano Ultegra 6800/8000 or Dura Ace 9000/9100 - Velo-Perso.com