Fc-Rx810-2 Chainring 48T-Nd For 48-31T Shimano Fc-Rx810-2 Chainring 48T-Nd For 48-31T part name: Fc-Rx810-2 Chainring 48T-Nd For 48-31Tpart make model: ShimanoFc-Rx810-2 Chainring 48T-Nd For 48-31Tbike part approved: