| 摘要 |
PROBLEM TO BE SOLVED: To provide a sprocket module that enables a strong and lightweight sprocket assembly to be manufactured. SOLUTION: This invention relates to a sprocket module (16) for a bicycle, such a module comprising at least two sprockets (25, 26) fixedly coupled one another, wherein at least one first sprocket of at least the two sprockets comprises an engagement means (22) to a freewheel body of a hub for a bicycle rear wheel. Preferably, a second sprocket (26) of the module lacks the engagement means (22) and is supported on the freewheel body (3) through the at least one first sprocket (25). COPYRIGHT: (C)2009,JPO&INPIT |
