My wife has them on her Shadow with Saddlemen leather bags. There is a little movement by hand but I have never noticed any shaking on the road while following her. I would use large washers to spread the load good on the fiberglass bags though. I would bet you would be just fine.


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"Those who would give up essential liberty to purchase a little temporary safety deserve neither liberty nor safety."
Benjamin Franklin, Historical Review of Pennsylvania, 1759