ClassID:

70276

B62M9/138 - CPC Classification

Classification description:

Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur; Front derailleurs Accessories, e.g. protectors

Recent Application in this class: