Shimano DuraAce CS9000 11Speed 13t 2nd position Cassette Cog
$12.48
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Dura-Ace/Ultegra 11-Speed Cassette CogBrand: ShimanoModel: 31779Length: 2.15Width: 2.15Height: 0.35Weight lb: 0.03Part Number: Y1YC13100Barcode: 689228948778
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