Shimano Ultegra FC-R8100 12-Speed Chainring - 34t, Asymmetric 110 BCD, Black

SHIMANO Ultegra Top Cover FC-R8100-P 12 speed Power Meter chainsets.

SHIMANO 105 11 SPEED CHAINRING 34T BLACK FOR FC-R7000 CRANKSET

SHIMANO DURA-ACE ULTEGRA 11T/12T/13T COG FOR CS-R9200/R8100 12-SPEED CASSETTE

SHIMANO ULTEGRA 12 SPEED CHAINRING 36T FOR FC-R8100/R8100-P CRANKSET

SHIMANO DURA-ACE ULTEGRA Left Crank Fixing Ring For FC-R9200-P/R9100-P/R8100-P

SHIMANO DURA-ACE 12-speed Chainring 34T for FC-R9200/FC-R9200-P

SHIMANO 105 Di2 12-speed Chainring 36T for FC-R7100 Crankset