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Room 801, Bldg. C, Lixin Garden, Xili Town, Nanshan District, Shenzhen, Guangdong, China (Mainland)
variable speed pulley bicycle gear shifter rear wheel with steel ceramic bearings, US $ 2 - 15 / Piece, China, Witsport/OEM/ODM, 11/12/13/14.Source from Shenzhen Witsport Technology Co., Ltd. on Waimaotong.com.