These are Licensed Goodyear Wrangler Duratrac 1.9" Scale Tires using Goodyear Tire and Rubber. Specifications: New X2S Compound (Super Soft & Super Sticky) Fits 1.9" Wheels Outer Diameter: 3.80in / 96.6mm Width: 1.43in / 36.5mm Inner Diameter: 1.83in / 46.4mm Each Weight: 1.97oz / 56g Notes: Due to many different methods to design tires and wheels, we have no control over other manufacturers products. So we can only tell you that RC4WD tires and wheels work together. In some cases our wheels and tires will work with other brand wheels and tires, but we can not guarantee the outcome.
eBay