ROTOR_bike on Twitter: "Now you can assemble your Shimano® Dura-Ace R9100 or Shimano® Ultegra R8000 cranks with the new ROTOR Q RINGS BCD110X4 and enjoy all the advantages of oval chainrings. #ROTORbikecomponents #
Aero Q-Ring Chainring for ALDHU/INSpider/Shimano | バイク・自転車通販のProbikeshop
ROTOR_bike auf Twitter: "If you have Shimano® Dura-Ace R9100 or Shimano® Ultegra R8000 cranks, you can now assemble them with the new ROTOR Q RINGS BCD110x4 oval chainrings. They are 100% compatible