| 摘要 |
A bicycle transmission has among other things a rear hub with a freewheel with an outer freewheel body (60) supporting a plurality of sprockets (S 1 - S 10 ). A chain is shifted between adjacent pairs of the sprockets by a rear derailleur. Each sprocket includes inner attachment portion and a chain engaging portion having annular root portion and a plurality of teeth. The largest (low gear) sprocket has one or more recesses in the lateral surface that faces towards the center of the bicycle so that the largest (low gear) sprocket overlaps the abutments of the outer freewheel body. |
