摘要 |
<p>In a free-wheel for bicycles comprising an inner body integral with the wheel hub and an outer body carrying the chain drive sprockets, rolling on the inner body through two sets of balls, the seat for one of the sets is formed between a shoulder of the inner body and an adjustment cone screwed on said inner body. Said cone is engaged in said shoulder through opposite conical centering surfaces, formed on the adjusting head of the cone and directly on the shoulder.</p> |