Shimano 105 FC-5800 Outer Road 4 Arm Chainrings - 11 Speed - BLACK Reviews

These chainrings are designed to be used with the Shimano FC-5800 11 speed double chain set. If any of these chainrings are unavailable, then you can use the "B" match chainring from: Shimano Ultegra FC-6800 "B" match:  indicates that the parts are usable, but may be different (materials, finish, size & appearance). These chainrings should be used on the following ratios: 50T - 50/34T 52T - 52/36T 53T - 53/39T

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