INJORA Silicone Rubber Tire Inserts for 1.9" 120–124mm × 45–48mm Tires (1908)

Fit Tire Outer Diameter: about 120-124mm 
Fit Tire Width: about 45-48mm
Compatible with 1.9" Canyon Trail tires (TRX4 stock tires)
Compatible with 1.9" 4.90×1.75 PL tires

Features:

• Made from high-quality silicone rubber, waterproof and temperature-resistant
  
• Approx. 84g per insert adds weight to improve vehicle stability
  
• Provides stronger sidewall support than standard foam inserts, helping tires maintain their shape
  
• Improves traction and grip for better crawling performance

Specifications:

• Material: Silicone Rubber
  
• Size: 112 × 41.5mm
  
• Weight (each): 84g

Recommended Compounds:

• Green – Soft: Suitable for 3–5lb RC crawlers
  
• Blue – Medium: Suitable for 6–10lb RC crawlers
  
• For best results, mix different compounds between the front and rear to match your vehicle setup.

Package List:    
4 × Silicone Rubber Inserts