Series: DURA-ACE R9200 Series. DURA-ACE R9200 Series. Chainring 34T for FC-R9200/FC-R9200-P. Number of Speed: 2x12 Speed. Model: Chainring 50-34T for FC-R9200/FC-R9200-P. Chainring Type: 50-34T. Chainring 50T for FC-R9200/FC-R9200-P.
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