| 摘要 |
<p>A bicycle front chainwheel assembly is provided that includes a protective cover (24). The front chainwheel assembly basically includes a crank arm (14), one or more chainrings (20,21) and the protective cover (24). The crank arm (14) includes a hub portion (30), a crank portion (32) and four fastening finger portions (34). The free ends (60) of the fastening finger portions (34) are provided with chainring attachment points for attaching the cover (24) thereto. The cover (24) is attached to the fastening finger portions (34) by fasteners (68) that have a shaft extending substantially perpendicular to the axis of rotation A of the front chainwheel assembly. <IMAGE></p> |
