Cogs
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Cog
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cog
Cog for cassette hubs
13-18 tooth. These Shimano compatible cogs are 3/32 width.

Sinz cogs
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cogz
Sinz cog set
Entire set of Sinz cogs 13-18 tooth. These Shimano compatible cogs come chrome plated and are 3/32 width.

Profile cog
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profcog
Profile cog