Have a small puncture? Did your tubeless setup come off the rim? Add some Continental Revo Sealant to bring your tube or tire back to life. This ammonium- and protein-free sealant won't degrade or corrode rubber, and it can be used as a preventative sealant against punctures in tubes, tubular tires and tubeless tires.. With suitable tires, Revosealant can also be used as a sealant for tubeless-ready system such as Conti's ProTection RTR.