10/11/12S Road Bike 4 Bolts 110BCD Chainring 105 FC-R7000 / ULTEGRA FC-R8000 / DURA-ACE FC-R9100 Asymmetric 50-34T 52-36T 53-39T

10/11/12S Road Bike 4 Bolts 110BCD Chainring 105 FC-R7000 / ULTEGRA FC-R8000 / DURA-ACE FC-R9100 Asymmetric 50-34T 52-36T 53-39T

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