ROTOR Bike Components - 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%
ROTOR Bike Components - 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. #
Dura Ace Vs. Ultegra Brake Rotors - YouTube
SOLD !! Rotor Q-Rings + bolt/covers for Dura Ace 9100