An adjustable eccentric bracket assembly for a bicycle provided with at least two wedge surfaces in a body member designed to co-act with at least one wedge member having a wedge surface, where upon axial displacement of the wedge member relative to the body member, the wedge member is laterally displaced so as to selectively engage with an inner surface of a shell in which the body member is received.

 
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> Fixing structure for rolling bearing

~ 00348