☆【Premium Quality】: The bike stem bolt is made of premium titanium material, which is anti-deformation, sturdy and durable. It is not easily damaged and rust, has reliable quality and ensures high strength for long lasting usage. ☆【Exquisite Workmanship】: The bike headset bolt adopts excellent manufacturing process with high reliability, its precise machining ensures sleek threads and narrow thread spacing, which can make it firmly hinge into the stem. ☆【Good Anti-Rust Performance】: The bike stem M6 thread bolt with fine finish and coating, which provides bright and delicate surface with excellent anti-rust performance. ☆【40 Sizes】: The titanium bike headset stem bolt with 40 sizes for you to choose, which is a useful accessory for bike lovers and fits most bikes. ☆【Guarantee】: Our product have 180 days warranty, if you have any question about this bike stem bolt, please feel free to contact us, we will try our best to help you solve your problem.