The Avian Featherlight BMX Presta Valve Racing Tubes are built for serious racers who know every gram and every second counts. Made from a lightweight thermoplastic elastomer, they offer reduced rotational weight without sacrificing durability. With twice the puncture resistance of standard tubes and a compact, race-day-ready design, they’re a smart upgrade for competitive BMX setups. Designed to work seamlessly with both carbon and alloy rims, these tubes deliver the kind of performance elite riders can rely on. FEATURES Lightweight thermoplastic elastomer construction 50% lighter than standard rubber tubes 2x the puncture resistance for reliable performance Compact design fits easily in gear bags or toolboxes 48mm Presta valve compatible with carbon and alloy rims Available in four sizes to fit most BMX race bikes SPECIFICATIONS 20 x 1 1/8"-1 3/8" - 24g (0.84 oz) 20 x 1.5"-1.85" - 35g (or 1.23 oz) 24 x 1 1/8"-1 3/8" - 26g (0.92 oz) 24 x 1.5"-1.85" - 41g (1.45 oz)