SHIMANO Track X Thick Y16S54001 Dura-Ace Chainring, 1/2" 1/8", 54T, NJS, Teeth,

SHIMANO Dura Ace Track Chainring X 49T NJS Thick Tooth Y16S49001 1/2" 1/8"

SHIMANO Track X 49T Thick Teeth Dura-Ace Chainring, 1/2" 1/8", (NJS), (Y16S49001)

SHIMANO Track X 54T Thick Teeth Dura-Ace Chainring, 1/2" 1/8", (NJS), (Y16S54001)

SHIMANO Track X 45T Thick Teeth Dura-Ace Chainring, 1/2" 1/8", (NJS), (Y16S45001)

SHIMANO Repair Parts Chainring 53T Y16S53001 (1/2″×1/8″) FC-7710

SHIMANO Repair Parts Chainring 45T Y16S45001 (1/2″×1/8″) FC-7710

SHIMANO Track Chainring X 47T Thick Tooth for Dura-Ace 1/2" 1/8" (NJS) (Y16S47001) FC-7710

SHIMANO Track X 46T Thick Teeth Dura-Ace Chainring, 1/2" 1/8", (NJS), (Y16S46001)

SHIMANO Track X 51T Thick Tooth Dura-Ace Chainring, 1/2" 1/8", (NJS), (Y16S51001)

SHIMANO Repair Parts Chainring 55T (12″×332″) FC-7710 Y16S55000

SHIMANO Repair Parts Chainring 47T Y16S47001 (1/2″×1/8″) FC-7710

SHIMANO Repair Parts Chainring 47T Y16S47001 (1/2″×1/8″) FC-7710

SHIMANO Repair Parts Chainring 51T Y16S51001 (1/2″×1/8″) FC-7710

SHIMANO Track X 48T Thick Teeth Dura-Ace Chainring, 1/2" 1/8", (NJS), (Y16S48001)

SHIMANO Repair Parts Chainring 48T Y16S48001 (1/2″×1/8″) FC-7710

SHIMANO Repair Parts Chainring with Spike Y1MY98030 50T-F (Black) FC-R345

SHIMANO Repair Parts Chainring Y1VP42000 42T-MX (for 54-42T/55-42T) FC-R9100

SHIMANO Track X Thin Tooth Dura-Ace Chainring, 1/2" 3/32", 47T, (Y16S47000)

SHIMANO Repair Parts Chainring with Spike Y1V498030 50T-F FC-RS200

SHIMANO Repair Parts Chainring 39T for Single Chain Guard Y1H639000 (Silver) FC-S500 FC-4500