Tubolito S-Tubo-BMX Inner Tubediameter: 20 inch (ETRTO 37 64 406) width: 1,5 2,5 inch valve: schrader (car AV) 40mm long sold per piece additional information: works with wider tires as well Lightest and smallest BMX tube worldwide 80% weight savings compared to standard rubber rubes Tested from and developed with worlds best BMX riders from all disciplines, such as UCI World and European Champion Irina Sadovnik Low weight makes high jumps and bar spins a piece of cake Low rolling