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Sure, because they are so small, diameter wise. If you increase the size to be the rim of the wheel, the diameter is so large, that heat is spread out over an area 4 times larger, and the temperature is only 100 degrees. Not to mention the actual mass of the wheel rim. Oh, wait, I guess I just mentioned it.
To be fair, I was just joking. And I was visualizing a pedal powered bike, where we have gone from backpedaling to brake, to grabbing the rims, to grabbing a disk, and now here with the motorcycle, they are heading back in the direction of the rim again. And I hear mom jeans are back in style.
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