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 2.5/45 slot tire 6. Material: rubber 7. Weight: about 1169g 8. Outer diameter: about 23.7cm 9. Inner diameter: about 15.1cm 10. Width: about 6.1cm