The Park Tool videos are phenomenal. I particularly like the Tech Tuesday videos, partly because Calvin Jones is so fun to watch (although he's not just a pret

The Park Tool videos are phenomenal. I particularly like the Tech Tuesday videos, partly because Calvin Jones is so fun to watch (although he's not just a pretty face [2]), but also because, for example, this is the first explanation i ever heard of how hydraulic brakes self-centre that actually makes sense: https://www.youtube.com/watch?v=vQXFFgRButo&vl=fr https://www.youtube.com/watch?v=vQXFFgRButo&vl=fr [2] https://www.probma.org/blog/calvin-jones-more-neednt-be-said https://www.probma.org/blog/calvin-jones-more-neednt-be-said