Cogset assembly for a bicycle

Abstract

A bicycle hub assembly comprises a shaft, a first load bearing adjacent said shaft, a hub main body surrounding said shaft, and a cogset. The cogset can define an inner surface, and the inner surface can define a seat configured to receive the first load bearing. Further, the inner surface can define an opening of variable size. The cogset can also define an inner end and an outer end, and the opening can generally increase in size from the outer end to the inner end.

1 . A monoblock cogset comprising:
 an inner surface comprising a plurality of ratchet teeth;   a plurality of cogs; and   a portion for receiving a bearing assembly along said inner surface,   wherein the cogset is a monoblock cogset.   
     
     
         2 . The monoblock cogset of  claim 1 , wherein said inner surface has variable size along the axis of the cogset. 
     
     
         3 . The monoblock cogset of  claim 2 , wherein said inner surface generally increases in size monotonically from one end to another. 
     
     
         4 . The monoblock cogset of  claim 3 , wherein said cogset includes at least one cog with cog size less than 11. 
     
     
         5 . The monoblock cogset of  claim 1 , wherein said cogset is configured to be combined with an additional cogset. 
     
     
         6 . A cogset assembly comprising:
 a first monoblock cogset comprising:
 an inner surface comprising a plurality of ratchet teeth; and 
 a plurality of cogs; and 
   a second monoblock cogset comprising a plurality of cogs and being configured to be mounted on said first monoblock cogset.   
     
     
         7 . The cogset assembly of  claim 6 , wherein said first and second monoblock cogsets are substantially formed from at least two distinct materials. 
     
     
         8 . The cogset assembly of  claim 7 , wherein at least one of said materials is titanium. 
     
     
         9 . A cogset comprising:
 a plurality of cogs;   an inner surface comprising a spline portion, said inner surface having variable size along the axis of the cogset; and   a portion for receiving a bearing assembly along said inner surface.   
     
     
         10 . The cogset of  claim 9 , wherein said inner surface generally increases in size monotonically from one end to another. 
     
     
         11 . The cogset of  claim 9 , wherein said cogset includes at least one cog with cog size less than 11. 
     
     
         12 . The cogset of  claim 9 , wherein said cogset comprises an outer surface, said outer surface comprising cogs substantially formed from at least two distinct materials. 
     
     
         13 . The cogset of  claim 12 , wherein at least one of said materials is titanium.