The mishap briefly turned the movement into a lathe that cut the tops off all the teeth on the main wheel. Rather than fabricate a completely new wheel, [Tommy] chose to rework the damaged one.

Wheel balancing isn’t something you need to do weekly, but it’s also not a “set it and forget it” kind of deal. As a general rule, wheels should be balanced every 8 000 to 12 000km (or roughly every ...