HTD 290-5M for Hercules GT ( 120mm couldwheel )
HTD 360-5M for Hercules AT ( 7inch 175mm inflatable wheel )
300MM-5M for Balrog,Titan 2wd,Titan 4wd,Titan X GT ( 120mm couldwheel )
350MM-5M for Balrog,Titan 2wd,Titan 4wd AT ( 6inch 150mm infatable wheel )
345MM-5M for Titan X AT ( 6inch 150mm infatable wheel )