The super-light Tubolito tube allows BMX riders to jump higher. The weight difference compared to a conventional tube, which is even more visible with a rotating spoke, makes the bike more agile and lighter.Weight only 69 grams! Version for 20"/22" or 24" For tire thickness.5-2.5" Versions with automatic valve (+9g) or galus valve 50% smaller and 2x more puncture-resistant Lower rolling resistanceInstall in rim with Tubolite inflated to 0.2-0.5 bar. Inflate to this value on the outside of the rim and make sure the valve faces inwards to avoid unnecessary stress on the material.