Does anybody know what the bumpy part near the threads of this pedal are for? They look like they might fit a special wrench, but I can't find any that would fit. I feel like I must be missing ...
Given that pedal threads are different on the left and right pedals: the right side pedal has a right-hand thread (removes counterclockwise, installs clockwise); the left side pedal has a left-hand ...
I've managed to completely break the folding left-hand pedal on my Brompton. The bit where it fastens onto the crank* is fine, but the rest of it gone. What tool(s) do I need to remove the broken ...