The Muc-Off Big Bore Hybrid Valve takes tubeless technology to the next level, delivering up to 254% more airflow than traditional Presta valves. Its revolutionary straight-through design eliminates clogs and makes sealant filling faster and easier; no need to remove valve cores. The integrated ball valve system with lever control allows lightning-fast inflation, precise airflow adjustment, and on-the-fly pressure tuning. Built from 7075 aircraft-grade CNC-machined aluminum with a stainless steel ball valve, this fully serviceable valve is made to handle the toughest conditions while giving you maximum reliability and performance.