I own an old Focus Cyclocross bicycle, which I really want to keep in working order. Unfortunately a while back, the threads on the crank arm retaining nut and spindle wore away, rendering it unusable. As it’s such an old bike, parts are very scarce.…
From Reddit - r/education: LPT: If you feel like you're studying a lot but retaining nothing, the problem isn't effort it's your system. Here's what actually works.
