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Like ArniB suggested, that is a cog at the botton of rear wheel connected by bevelled cogs which transmit rotation through 90 degrees. gear ratio must be quite bad, but then again this is novelty not practicality and efficiency.
front fork looks as if it is fixed to the wheel and my guess is the tyre rotates on the fixed wheel through some nice smooth ball bearing.
There are people today who think that admitting God’s absolute greatness decreases the value and importance of humans in the creation, as if God and mankind are rivals competing in greatness and power. Meanwhile I feel that whenever our perception of God’s greatness increases, with it we become greater, because we are the creation of a great God.
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