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    Can a # 40 sprocket work with a 420 chain
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    I need to replace a couple #420 sprockets that have a 1" bore but I am having a hard time finding 420 sprockets. I can find all kinds of # 40 sprockets. My question is, can a # 40 sprocket work with a #420 chain ? If this works it would help out alot. Making it easier to find a couple of sprockets. I 'm looking for a # 40 with 13 teeth x 1" bore.

    Thanks for any help,
    Last edited by alan0043; 12-21-2012 at 09:24 AM. Reason: wrong info
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    Re: Can a 40 t sprocket work with a 420 chain
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    Senior Member gvouvakos's Avatar
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    ??? "40 t " means 40 teeth.. if the pitch of the sprocket is 420 then a 420 chain will work
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    Re: Can a 40 t sprocket work with a 420 chain
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    Quote Originally Posted by gvouvakos View Post
    ??? "40 t " means 40 teeth.. if the pitch of the sprocket is 420 then a 420 chain will work
    I made a mistake my using 40 t for the sprocket The sprocket does not have 40 teeth. I should have said a # 40 sprocket with 13 teeth. I will edit my first post so I do not give the wrong idea of what I'm looking for.

    Thanks for the heads up,
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    Re: Can a 40 t sprocket work with a 420 chain
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    Senior Member gvouvakos's Avatar
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    a #40 sprocket will not work with 420 chain. The sprocket is too thick

    Notes on Sprockets and Chains
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    Re: Can a 40 t sprocket work with a 420 chain
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    Quote Originally Posted by gvouvakos View Post
    a #40 sprocket will not work with 420 chain. The sprocket is too thick

    Notes on Sprockets and Chains

    Thanks for the help and the info.
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    Re: Can a # 40 sprocket work with a 420 chain
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    Senior Member psychoholic's Avatar
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    a #41 chain sprocket is narrower than the 40. Still 1/2" Pitch. 41 chain is 1/4" Wide between sidebars and #40 is 5/16". I only sell Industrial chains so I dont know what the specs are on 420 Chain.
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