Spokes positioning device for constructing bicycle wheel, has four sets of spokes arranged relative to each other with respect to axle of hub, where each spoke of one set is arranged opposite to spoke of another set
摘要
<p>The device has four sets of spokes (1-12) arranged relative to each other with respect to an axle of a hub (A), where each spoke of one set is arranged opposite to the spoke of another set.</p>
