1x aero 110x4 spider mount Q RINGS oval ring provide minimal air resistance, reduces drag and allows you to pedal faster with less effort. They are compatible with all ROTOR modular road cranks and power meters including 2INpower, INspider, INpower, ALHDU and VEGAST.
Oval Chainrings Introducing the new oval Direct Mount with OCP Mount. OCP Mount’s patent-pending, proprietary technology allows the oval Direct Mount to be adjusted in 1-degree increments for optimized pedaling biomechanics. 12.5% ovality heightens the performance advantages of oval chainrings; no other oval chainring in the growing oval chainring category offers the adjustment options plus unique ovality all aimed at improving pedaling performance.
for Shimano cranks, the matching cover plates are recommended for a flush transition to the crank: Dura-Ace 9100 ROCRQ110X4COVER3 / Dura Ace 9000: ROCRQ110X4COVER / Ultegra 8000: ROCRQ110X4COVER / Ultegra 8000: ROCRQ110X4COVER2