1. Adopting honeycomb hole design, better shock absorption performance 2. Made of high-quality rubber material, sturdy and durable 3. Not easy to deform, can be used for a long time 4. Wear-resistant and anti-skid tread pattern, effectively improve tire grip and stability 5. Suitable for 10 x 2.5-7/48 slot tire 6. Material: rubber 7. Weight: about 1070g 8. Outer diameter: about 23.5cm 9. Inner diameter: about 15.9cm 10. Width: about 6.3cm