All Colsed Aero 60T For Dura-ace R9100 Shimano ULTEGRA R8000 CRANK Chainring 110mmBCD 46T 50T 52T

All Colsed Aero 60T For Dura-ace R9100 Shimano ULTEGRA R8000 CRANK Chainring 110mmBCD 46T 50T 52T

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