TNT (Tube-no-Tube) Technology Vittoria TNT tyres are up to 100grams lighter than standard tubeless tyres, yet feature reinforced sidewalls with massive cut resistance. Run tubeless on UST rims with Pit Stop cartridge or liquid latex Pit Stop, TNT tyres offer better cornering, faster rolling, & fewer pinch flats, at lower pressure. TNT tyres can equally be used with an inner tube if the rider prefers, & are still light for reinforced tyre.