Hum Chins Bomb? very interesting. I have 4 goodyear marathons made in china! i have checked them for fuzes any typ of detonation devices gun powder c/4 etc found nothing. I have tpms on the tires keep them inflated to the proper pressures are balanced. and check the alignment never tow over 60. 6 years no explostions yet! Take car of them they will take care of you
