This was hilariously simple to me. It's just a variation on Kitaoka's Rotating Snakes, but then he exploited the circularity of it to make them wheels! The simple lines as the bike are so classic, just like the tiny red lines on Rotating Snakes as their tongues.

This image is so fun because when you look away, the bike is clearly moving towards the left, but then when you stare at one wheel it stops but the other is still moving, and when you stare at the other wheel it stops and the other wheel starts moving again.