What is a "cog driver" on a BMX bike? ?

  • Thread starter Thread starter Mark K
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Mark K

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Basically a cog driver or a freewheel can be attached to pretty much any hub, the most common sizes are 12/13/14/15/16 but for a 9/10/11 tooth driver you need a cassette hub which enables you to have a much smaller driver, the catch is that the cassette hubs are more expensive. If you choose to buy a cassette hub but change your mind and want a 12 or 13 tooth on the back, you can always buy a 12 or 13 tooth driver.
 
Basically a cog driver or a freewheel can be attached to pretty much any hub, the most common sizes are 12/13/14/15/16 but for a 9/10/11 tooth driver you need a cassette hub which enables you to have a much smaller driver, the catch is that the cassette hubs are more expensive. If you choose to buy a cassette hub but change your mind and want a 12 or 13 tooth on the back, you can always buy a 12 or 13 tooth driver.
 
Basically a cog driver or a freewheel can be attached to pretty much any hub, the most common sizes are 12/13/14/15/16 but for a 9/10/11 tooth driver you need a cassette hub which enables you to have a much smaller driver, the catch is that the cassette hubs are more expensive. If you choose to buy a cassette hub but change your mind and want a 12 or 13 tooth on the back, you can always buy a 12 or 13 tooth driver.
 
On the DansComp website, when you're looking at complete wheelsets, the search options are 9t,10t,11t and cog driver... I guess I've confused cog drive with cassette... what are the differences? Why is "cog driver" a seperate option from 9,10,11t?
 
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