Thank you for the responses. I'm very new to the cycling scene, I am learning as I go, so please forgive any level of ignorance.

I don't know what kind of bottom bracket it is; I bought the bike complete from ZycleFix, and then shortly after read up on how that was a bad idea. I don't know what kind of components come on ZF's bicycles, but I haven't changed the bottom bracket. The crankset is from All-City, here's the link http://www.universalcycles.com/shopp...13&category=62
The old crankset is the one that was already on the bike from ZF.

The All-City crank arm is about 1/16" thicker where it is put onto the BB. The square hole in the crank arm is also turned 45 degrees on the All-City... Here's a couple more pictures, since they would do more justice than me typing.

In the second picture the arms switch sides, the ZF is on the left, the AC is on the right. Sorry about that