| 摘要 |
<p>Bicycle crank comprising: an elongated core (10) with a first and a second end (12, 14), a first and a second insert (16, 18) arranged on the ends of said core (10), and a high-resistance fibre coating incorporated in a plastic material matrix forming a casing (28) incorporating said core (10) and said inserts (16, 18), The core (10) is a rigid element and each insert (16, 18) is equipped with a connecting portion (20, 22) inserted into a respective end (12, 14) of the core (10) to establish a shape coupling therewith. <IMAGE></p> |
