Dura-Ace FC-R9200 12-Speed Chainring - 50t, Asymmetric 110 BCD, NK

Ultegra R8000 52t 110mm 11-Speed Chainring for 36/52t

Ultegra R8000 50t 110mm 11-Speed Chainring for 34/50t

Ultegra FC-R8100 12-Speed Chainring - 50t, NK

FC-R460 Chainring - 48t, 5-Bolt, 110 BCD

Tiagra 4550 50t 110mm 9-Speed Chainring, Silver

FC-MT510-1 Chainring - 12-Speed Asymmetric 96 BCD

XT M8000 22t 64mm 11-Speed Inner Chainring for 40-30-22t Set

Deore M5100-1 Chainring - 32t

Deore FC-M617 38t Chainring for use w/24t

Deore FC-M615 38T Chainring

Deore M590 Chainring - 36t, 104 BCD, 4-Bolt, 9-Speed