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    • 1. 发明申请
    • Gear assembly for a bicycle gear change
    • 齿轮组件用于自行车齿轮更换
    • US20040018904A1
    • 2004-01-29
    • US10418503
    • 2003-04-18
    • Campagnolo Srl
    • Maurizio Valle
    • F16H055/12
    • B62M9/105B62M9/10
    • Gear assembly for a bicycle gear change, comprising at least one gear with a larger diameter and at least one gear with a smaller diameter. The selected gear, generally of a larger diameter, has at least one sector dedicated to upwards shifting that may include a plurality of shifting aid means to facilitate upwards shifting and a second gear, generally of a smaller diameter, has at least one sector dedicated to downwards shifting that may include a plurality of shifting aid means to facilitate downwards shifting.
    • 用于自行车齿轮变速的齿轮组件,包括至少一个具有较大直径的齿轮和至少一个具有较小直径的齿轮。 通常具有较大直径的所选齿轮具有专门用于向上移动的至少一个扇区,其可以包括多个换档辅助装置以便于向上移动,并且通常具有较小直径的第二齿轮具有至少一个专用于 向下移动可以包括多个换档辅助装置以便于向下移动。