Premium rubber material with excellent puncture resistance, suitable for riding on beaches, snow, rough terrain and street. Premium rubber materialTight convex knobs tread patternSuper traction and grip Good rolling properties Anti-puncture technology Folding Carbon Steel bead. Aggressive tread pattern has greater traction, handles sharp turns on both pavement and loose dirt Wide tire volume brings better control and less drag, providing the ride with a balance of grip and rolling resistance. The flat design in the middle can achieve fastrotation on the highway, and the sound on the roadis very low. Small square design on its shoulderprovides good turning grip. This pattern designcan satisfy the need of cyclists to travel fast.