ZRACE UNCHAINED Chainring 105 R7000 R7100 / ULTEGRA R8000 R8100/DURA-ACE R9100 R9200 Asymmetric Road Chainring 50-34 52-36 54-40

ZRACE UNCHAINED Chainring 105 R7000 R7100 / ULTEGRA R8000 R8100/DURA-ACE R9100 R9200 Asymmetric Road Chainring 50-34 52-36 54-40

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