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Amazon.com : SRAM Rival 1 Crankset - 170mm, 10/11-Speed, 42t, 110 BCD, GXP Spindle Interface, Black : Sports & Outdoors
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Amazon.com : SRAM Apex 1 Crankset - 170mm, 10/11-Speed, 42t, 110 Asymmetric BCD, GXP Spindle Interface, Black : Sports & Outdoors
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