Alternative to tubeless systems, made of transparent thermoplastic polyurethane (TPU), patented mechanical valve connection, threaded aluminum valve with locking nut, removable valve inserts and compatible with valve extenders. Heat resistant during rapid inflation: aluminum valve and TPU material resist heat build-up, supplied with self-adhesive patches and alcohol wipe Main color transparent Application range road Type of valve Presta valve (SV) Type/kind Article Valve length 50.0 mm Wheel size 28 "