Quote:
Originally Posted by Chris is me
What would a wheel at the back accomplish? When would it spin and when wouldn't it? How would this spin reduce friction?
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Well, a wheel at the back would be spun whenever the tube was rotating inside the tread. The idea is that we can run the tread in the same direction to rotate the tube vertically so it can be put on a peg. The wheel is there so that the tube will not be popped.
ESP