DESCRIPTION
Replacement chainrings for Shimano GRX FC-RX820-2 cranksets
Material: Anodized aluminum
Chainring Bolt Circle Diameter: 80mm BCD Shimano Asymmetric (inner), 110mm BCD Shimano Asymmetric
Tooth Count: 31t inner; 80t outer
Drivetrain Speeds: 12
PLU: 80767
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