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Quarq DFour DUB Power Meter 
ROTOR 110×4 Oval Chainrings for Shimano 
absoluteBLACK Premium Oval Chainrings for Shimano 8000/9100 Yes, you can! We have both ROTOR and absoluteBLACK oval chainrings, which use the same 110×4 BCD as Quarq DFour. These oval rings look and work well when mounted to the DFour.
Yes, you can! We have both ROTOR and absoluteBLACK oval chainrings, which use the same 110×4 BCD as Quarq DFour. These oval rings look and work well when mounted to the DFour.