Okay.....
I good way to imagine what it would be like 40-50 years from now is to look back on the improvements we have made today compared to 1960.
So back then, air cooling, bias ply tires, carbs, drum brakes, steel, were state of the art. From a wearer's standpoint, beanie helmets, and thick leather were the norm.
There wasn't any ground breaking improvements. I mean, motorcycles still have two wheels, forks and shocks, and piston powered engines in the middle. Even more interesting is the major explosion of General Aviation in the 70's, which in many ways were very similar to automobiles that fly, did not transfer over to motorcycles.
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