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Shimano Ultegra FC-6700 Chainrings (Silver) (2 x 10 Speed) (130mm BCD) (Inner) (B-Type) (39T) - Performance Bicycle
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Shimano Dura-Ace FC-7900 Chainrings (Silver/Black) (2 x 10 Speed) (130mm BCD) (Outer)... - Y1KY98030 - In The Know Cycling
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