R ROTOR BIKE COMPONENTS Q Rings DM OVAL Chainring 53/39 T Black : Amazon.de: Sport & Freizeit
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. #