One of my students sent this to me yesterday. I wonder if my course content comes across as clearly to them as my membership among the pedaletariat.
Meanwhile, in the course of Googling the word “pedal” to be sure I didn’t mean “peddle,” this turned up:
It’s pretty dated, but that dude’s wheel at :45 looks similar to the ones I’ve tried to build and true myself. (OK, maybe they’re not quite that bad.)