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Hub swap on cb750 com star rims?

gavoic92

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Hey guys I'm building a 76 cb750 from scratch. I want to use the black com star rims that were used on the 80's versions but the hub is different. On one side there is the sprocket and on the other is a rotor. Is there a way to swap the hub out for one that fits on the 76. I see many 76 builds with the black com star rims. This is my first build and any information would be much appreciated!
 
I have a '78 CB750K with spokes, but was curious about swapping with the star mags that came on the '78 750A's as well.
Don't know if there were difference between the two because of the automatic tranny on the A...


 
The rotor comes on larger cc. bikes like 900 or 750F, the '80+ 750C uses a seven inch drum rear brake with Comstars.
 
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