Traxxas SLASH 4x4 OBA TSM - TIRES & Wheels (12mm Red Tyres Short Course split spoke 68086-21 Genuine Traxxas Replacement parts 4 x Red Beadlock / Satin Wheels Slash 2wd Rear or Slash 4x4 Front/Rear Set of 4 Wheels & Tires comes factory Assembled by Traxxas 12mm hex size Outside diameter: 111mm (4.37") / Width: 45mm (1.77")