Boost your tubeless system with Muc-Off's Big Bore Lite valve, designed for demanding riders (MTB, Gravel, mountain bike). Its patented "Straight Through" design offers an airflow of up to +230% compared to a standard Presta valve, for ultra-fast and effortless inflation. Medium size, black finish for discreet integration into your tubeless wheels. Ideal for reducing inflation time and difficulty on the go, the Big Bore Lite makes mounting and maintaining tubeless tires easier while improving the overall efficiency of the system.