The Bell 20 Freestyle Tire is built with a DuPont Kevlar layer for increased strength durability and puncture resistance. The protective layer minimizes the chances of getting a flat and leaving you stranded on the side of the road. The tire can be easily folded unfolded and rolled up without damage due to the carbon steel bead construction. This tire is designed with a smoother tread than traditional BMX tires providing a fast ride as well as good traction with excellent grip and control for street and park riding.