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A 50/34 Shimano Ultegra crankset is shifted by an Ultegra DI2 front derailleur. © Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media
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Amazon.com : Shimano Ultegra FC-R8000 Crankset - 165mm, 11-Speed, 50/34t, 110 Asymmetric BCD, Hollowtech II Spindle Interface, Black : Sports & Outdoors
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