INJORA Silicone Rubber Insert Foam 106-108mm Outer Diameter 4.25" for 1.9" Tire (Green)

Made of silicone rubber material, it is waterproof and heat resistant. Weighing 53g/piece, it has a counterweight effect and improves stability. Keeps the tire in shape with better sidewall support than regular foam. Improve traction and grip to save your rig from tough situations. Compatible tire outer diameter: 106-108mm, width: approximately 36mm.