ROTOR Inner 110 5B BCD 55/54 oval chainring

Q Rings Bcd110x5 Oval Chainrings Compatible With All Rotor Cranks Using Bcd 110x5 Spider. In Addition, These Chainrings Are Also Compatible With Other Brands Using The Same Bcd, Offering Fast And Precise Shifting While Maintaining A Very Low Weight. Q Rings Oval Chainrings Allow You To Pedal More Efficiently, Taking Advantage Of The Maximum Power Of Your Pedaling And Reducing The Stress On Your Knees. Choose From 5 Optimum Chainring Positions (Ocp) To Fine-Tune Your Improved Riding Experience And Go Further And Faster With Less Fatigue. Specifications: - Bcd: 110x5 - Weight: 148 G (50/34t) - Ovality: 10 % With 5 Ocp Points (4 Points In 50/34) - Chainline: 43.5 Mm (Using Standard Axle). 46 Mm (Using Offset Axle) - Material: 7075-T6 Aluminum Alloy 100% Cnc-Machined - Cranks Compatible: All Rotor Cranks Using Spider Bcd 110x5. Other Cranks Using Bcd 110x5 - Groupsets Compatible: Shimano® 11s & 10s. Sram® 11s - Chains Compatible: 11s Chains