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FC-MT210 3x9 3X8 27/24s Speed bike mtb Crank 170mm Crankset chainwheel with mt500 44-32-22T 40-30-22T compare, US $ 19.6 - 19.6 / Set, aluminum alloy, 170mm, 22-32-44T.Source from Pulses Tianjin Trading Co., Ltd. on Waimaotong.com.