Quote:
Originally Posted by Mk.32
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This hub is meant to be mounted onto a wheel with the typical 1.875" bolt pattern. Not saying that you couldn't also mount a sprocket to it (it would work perfectly fine), but you may want to mount a smaller one than the ones with that bolt pattern. Andymark has a few sprockets that are meant to be mounted on gearbox output shafts or motor shafts. See
http://www.andymark.com/Sprockets-s/52.htm. Specifically for the CIM there are two #25 chain sprockets with the appropriate bore, as well as few more with a smaller (.25") bore that could be reamed out.
Otherwise, check out Mcmaster-Carr. They have a very large catalog that is relatively easy to work with and they are bound to have hub mount sprockets for the chain you want to use (#35, #25, #40, whatever) with the bore you are looking for.