Quoted By:
Here's a blast from the past: ruined cotter pins.
In 2017, only sizes 9 and 9.5 are commonly available, but these measure around 10.5. Am I hosed, or can slack in diameter too be fixed with adding soda can aluminium slips as Sheldon Brown suggests?
This is, by far, the shitties way cranks have ever been attached to a bicycle.