Patent ID: 6102821
Filing Date: 2000-08-15
Classification: B62M

Abstract:
A rear wheel multiple sprocket assembly for a bicycle comprising:a sprocket support (10) including:a boss (11);a plurality of supporting arms (15) extending radially outward from the boss (11);wherein each supporting arm (15) includes a first mounting surface (16) and a second mounting surface (17) opposite the first mounting surface (16) in an end region of the supporting arm (15);a first sprocket (20) mounted to the first mounting surface (16) of each supporting arm;a second sprocket (30) mounted to the second mounting surface (17) of each supporting arm;wherein a difference between a number of teeth on the first sprocket (20) and a number of teeth on the second sprocket (30) is from one to three teeth; andwherein the boss (11) includes an engaging means (101a,101d) disposed on an inner peripheral surface thereof for nonrotatably engaging with a one-way clutch mechanism (92).