Yes, they are tubeless
i have a firefox viper . it have not a tubeless tire .
No, it depends on the quality of the tire, tubeless or not.
Please do not install tubes in tubeless tires. Most rims for tubeless tires have a drop center and the tube does not make a good contact which can lead to a sudden loss of air pressure which can be deadly.
No, CFCs are not used in tubeless tires. CFCs (Chlorofluorocarbons) are ozone-depleting substances that have been phased out due to environmental concerns. Tubeless tires rely on a sealing system that does not require CFCs for their operation.
Almost all tires sold today are tubeless tires. The coast varies widely form size to size, and type tire.
Tubeless tires still loose air when punctured, just at a slower rate.
Radial ply tires and tubeless tires are made from rubber, fabric, and steel.
Today most tires are tubeless. Tubes can be fitted if there are many holes or patches.
No. Spoke wheels are not designed for tubeless tires. Tube only.
yes
No