Aeron Super Lite Race AL 700c TPU Tube Super Light. Super Fast. Super Small. The Aeron Super Lite Race AL TPU tube is engineered for Road racers, time trialists, and triathletes seeking the perfect balance of speed, puncture resistance and ultra-lightweight performance. Its highly elastic shell deforms under impact to provide extreme durability, while the featherweight design is up to 80% lighter than comparable butyl inner tubes. This makes it a genuine race-day spare rather than a bulky backup. Featuring a premium aluminum Presta valve with a removable valve core, it is fully compatible with deep-section rim extensions. Engineered for maximum performance, the Super Lite Race AL tube features a low-rolling resistance construction that ensures you reach the finish line faster. Features TPU construction, 22-25g up to 80% lighter than a comparable butyl tube, reducing rotational mass without sacrificing puncture protection Protection Level 2: Race / Maximum Performance prioritizes minimum weight and lowest rolling resistance, extremely high puncture protection Aluminum Presta valve with removable core compatible with valve extenders for deep-section rims; threaded shaft ensures optimum grip for the pump head Available valve lengths: 42mm, 65mm, 80mm match your valve length to your rim depth - 65mm and 80mm clear most mid- and deep-section road wheels Compatible tire widths: 23-28mm and 28-32mm covers the full range of road and aero road tire setups in 700c Disc brake only not compatible with rim brake setups Specifications Valve Type Presta Valve Length42mm, 65mm, 80mm Wheel Diameter700c Compatible Tire Width23-28mm / 28-32mm Material TPUWeight Tire Width: 23-28mm (42mm valves) 23g, (65mm and 80mm valves) 24g Intended Use Road | Aeron | Superlite Race Al 700C Tpu Tube 700X23-32, 42Mm