The MGT comes in 46, 49, and 52T. You can drill 3 new holes in order to mount the MGT spur to the tmaxx slipper or use a strobe slipper with a 51T Ofna spur.
Castle Neu 1520 on 6S LiPo Powered Gmaxx (Nitro Killer)
Predator with OS .21TM
Supermaxx with Mach .26
Revo with OS .18TZ
Kyosho ST-RR Conversion
Ofna CR with Tekin ESC/Motor (2)