Old 04-18-20, 08:54 PM
Jeff Wills
Insane Bicycle Mechanic
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Not as is. The fitting that goes between the shift lever and the frame needs to be flat on the underside, not curved like those shown.

I'm not sure how the Sunrace shift levers fit to that part. For Shimano shift levers that part is called a "lever boss cover".

In this diagram it is item #6 .
643 3810-1 fits a conventional round-tube frame
643 4300 fits a frame with flat-back bosses like your Cannondale.

Jeff Wills

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