• The black side has been broken for a while and has oxidised/gotten grubby, the silver side was holding together until it went exposing fresh metal.

  • I would have noticed if there were any visual signs of a break large enough to let dirt in to this extent before total failure occurred. The dirt is from the crank arm being exposed to the road following my fall.

  • Are there any clues on the other side of the broken bit (the small part that would have been on the other side of the pedal)? Are they clean breaks without any dirt/oxidation?

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