1.Our TR414C schrader tire valve ,Tubeless tire valve stem are 100% leak tested .
2.We specialize in tire valves field for 20 years, with the strength of TR414C tubeless valve.
3.Our main products Zn alloy with 10%brass.BrassTR414C should with more than 55% brass,can't more light than zinc alloy.
4.Our TR414C is very popular in market of Southeast Asia,Eastern Europe,South America,Middle East,Africa for many years. You can rest assured purchase .