They are all 12mm hex. The only thing different from front to back is the width. The rears are about 40mm wide and the fronts are about 30mm. I got some Proline tires that will work. Now the hunt is on to find the rims. Gonna go with HPI's I think but waiting for the tires to get here so I can make sure they fit. Still haven't got the offset of the stock rims yet. It appears to be a mystery to everyone even to people at Redcat LOL (I called their customer service number). If I knew how to get an accurate measurement I would do it myself.
Last edited by ninnimuggins; 02-14-2014 at 02:28 PM.