Super P-Nut Oversized Presta Valve Nut
These oversized Presta valve nuts are specifically designed to provide extra clearance and extra leverage to better tighten tubeless valves. They're especially helpful on single-wall rims.
-Concave to allow better engagement of the valve/rim interface
-Oversize to provide extra torque when tightening
-Especially helpful on single-wall rim tubeless setups