Adopt vacuum titanium plating technology, titanium film plating 304 stainless steel to enhance hardness, corrosion resistance, and wear resistance.The coating is fade resistant and looks gorgeous and eye-catching.Suitable for securing stems, front and rear derailleur grips, post clamps, front and rear derailleurs.Bolt screws with washers are rust proof, lightweight, small size, easy and convenient to carry.Suitable for road bike/mountain bike,etc.