Muc-Off Big Bore Lite XXXlarge Tubeless Valve Pv 80mm

Seat tubeless tires faster and control pressure with just one hand. The Muc-Off Big Bore Lite features a straight-through, coreless Presta design that delivers up to 264% more airflow than traditional Presta valves, allowing stubborn beads to pop into place quicker and making mid-ride top-ups effortless. A lever-actuated ball valve provides precise, on-the-fly pressure control—open it wide to blast air in, or gently crack it to micro-bleed for the perfect feel on changing terrain. Built for modern rims and high-volume tires, it’s the clean, clog-resistant upgrade your tubeless setup has been missing.

- The coreless, straight-through Presta pathway provides up to 264% more airflow for faster tubeless setup and easier inflation.
- A lever-controlled ball valve lets you fine-tune tire pressure on the trail or road without removing a valve core.
- The design is sealant-friendly and clog-resistant, helping prevent blockages that slow inflation or pressure adjustments.
- The 80 mm stem (110 mm total length) is ideal for deeper rims while keeping pump head engagement easy.
- The Lite version is compatible with standard Presta pumps, so you can use your existing floor pump or mini pump.
- Perfect for MTB, gravel, and road tubeless systems, where higher airflow makes seating and re-seating beads more reliable.

Specifications
Brand: Muc-Off
Model: Big Bore Lite XXXL
Type: Tubeless valve
Valve Type: Presta (French)
Size: 80 mm
Material: Aluminum
Color: Red