| 摘要 |
<p>The invention concerns a bicycle bottom bracket crank (1) comprising a first part (3) to be fixed to a bottom bracket shaft and a second part (7) designed to bear a pedal (9) and mobile via an articulation (11) relative to said first part (3) between an active position wherein the pedal (9) is substantially perpendicular to the crank and an inactive position wherein the pedal (9) is substantially parallel to the crank (1).</p> |
