I'm another left hander. I have no problem with thread direction, but I've had lots of practice at that. But why do they call them right hand threads? The threads go in a circle, so you can draw a tangent line that goes in every possible direction. And if you look at it from the back side, then you have to turn it in the opposite direction. When you put a freewheel or lock ring tool in the vice and turn the wheel to remove the cluster, it take some mental gymnastics that strain my brain to figure out which way to turn it. But I've learned to pretend that the wheel is a steering wheel and I'm making a left turn.
Last week I was repacking my bottom bracket. The spindle had "L" and "R" inscribed on it, though it looked symmetrical to me. Took me a couple minutes to figure out which side of my bike was the right. If it said "Crank" on one side it would have been alot easier.



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