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: about 124mm ( 4.88 inch )
Width: about 49.1mm ( 1.93 inch ) / Hex: 12mm
Weight: About 270 g/pc ( 1pc tire with soft foam insert + 1pc aluminum wheel rim )