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Sprocket for bicycle pedal - is elliptical with minor axis nearly in line with pedal arms
Sprocket for bicycle pedal - is elliptical with minor axis nearly in line with pedal arms
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机译:自行车踏板链轮-椭圆形,短轴几乎与踏板臂成一直线
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摘要
The bicycle pedal sprocket is elliptical in shape, keyed onto its shaft so that the minor axis of the ellipse extends nearly in line with the pedal arms. The design increases the effectiveness of the activity of the legs as compared with a sprocket which is completely round.
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