Q-Ring 56T (44T) BCD110x4 Outer Black (NEW Shimano/ALDHU) | C01-038-05010-0 | ROTOR Chainrings.
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%