作者: Jun Kobayashi
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摘要: A bicycle multiple sprocket assembly comprises smaller and larger sprockets (2, 3) for shiftable engagement with a chain (C). The includes at least one reluctantly disengageable tooth (T3), supporting (T1a, T1b) immediately following the respect to forward rotational direction of assembly, easily (T2) teeth. apex (6) is wider than those other teeth thereon time shifting from sprockets.