| 摘要 |
<p>Described herein is a rocker for the rear derailleur of a bicycle, said rocker being connected to the rear stays by means of a dropout (2), the rear derailleur being of the type that comprises a pinion pack (6) with a number of gears and is provided with a rocker for shifting the chain from one gear to another, either from a lower gear to a higher gear or vice versa; the rocker (13) has a V- shaped fork-like arm (14), with a toothed freewheel (16, 17, 18) pivoted to each end of said V.</p> |
