Pic whore op
Fitting is pretty straight forward. Just remember to have the wheels straight before starting, disconnect the battery & pump the brake a few times before removing the wheel.
You will need a t30 (could be t20) security screwdriver (its the torx driver with a hole in the top) to remove the 2 security bolts
Stock wheel is 370mm, mine is 350mm but you can also get as small as 330mm if you wanted.
If you buy the short hub, it allows you to use a quick release & the wheel is pretty much in the same position as stock or you can just buy the longer hub and not have the quick release which also puts it in a similar position