Well, didn't see this one coming...

The wheels are Pro-Line's Renegades PRO2725-03 intended for use on the HPI Blitz, Ultima SC6, Jammin SCRT 10, and other RCs that use the Traxxas Slash (rear)/Slash 4x4 offset.

The problem? Tekno's wheel hexes are not wide enough and/or the Pro-Line wheels have too much material; making the wheel's socket too deep. When I go to tighten the wheel nuts, the extra plastic that is .41~.70mm above the wheel hex (in picture) rubs on the hubs. So annoying.