Bike Anti-Porn - When Things Go Wrong

"Perfection is achieved, not when there is nothing more to take away, but when there is nothing left to add."

• The owner, probably
  

I thought I’d opened the RGR thread and I was trying to think of a polite, diplomatic way to say this is not cool.

What is that thing straddling the BB junction?

Dangle keys for maximum jangle.