The SPORTUBE is the most classic cycling inner butyl tube range, the standard interpretation of the most used air retention system in the world A complete range with the size and specification for every kind of cyclist and discipline, from road cycling to urban commuting
23/30-622 or 32/40-622 or 42/50-622, 48mm Valve/ Weight 120g to 160g depending on size / Valve Presta, removeable / Colour Black / Material Butyl / Compatibility Disk and Rim Brakes
2.1/2,4 & 2.5/2.8 in 27.5 and 2.1/2.3 & 2.4/2.6 in 29, 48mm Valve/ Weight 200g to 300g dependimng on size / Valve Presta, removeable / Colour Black / Material Butyl / Compatibility Disk and Rim Brakes
