Bent Air Valve Stem with removable locking nut and seals for tubeless tires.
This valve can be taken apart to fit in multiple types of wheel assemblies. 
Step 1: Remove the plastic valve cap.
Step 2: Un-thread valve nut and remove metal seat ring.
Step 3: Remove upper rubber seal.
Step 4: Insert into wheel assembly.
Step 5: Put rubber seal on, add metal seat ring and tighten nut to fit.