Material: Aluminium Beadlock Wheels + Butyl Rubber (it is better than common rubber,good heat resistance and good cold resistance. Design for professional RC crawler.)
Outer Diameter (Height): about 121mm (4.75inch) / Width: About 44mm (1.75inch) / Hex: 12mm
Weight: about 175g/pc (1pc beadlock wheel + 1pc tire with foam)