Pocket Wizard

Depends what you want to do. In the hotshoe of the camera you don’t need any cables at all for the transmitter. You will need something to connect the receiver to the flash but exactly what will depend on the flash you use and how you connect to it. My PWs came with standard PC socket cables. The only one I had to buy was to remotely trigger a camera using the PWs (very, very expensive).

You only need the Pre-trigger cable if you are going to trip the camera remotely by the Wizard. Otherwise you need an 1/8 inch to PC for standard flashes or whatever connector your strobes use.

Actually, I’ll use it during sports events to fire a second body. My questions is: should I buy a motor cord or a pre-trigger motor cord?

You want the pre-trigger cord. That keeps the camera “awake” constantly as if your finger is on the shutter button so that you don’t loose shots by having to wake it.

Just keep in mind what when the pre-trigger cord is set to “on”, it does keep the camera awake and therefore will drain batteries faster.