Feature:1. Premium Material: Made of premium titanium alloy material, durable, not easy to corrode and rust, reliable quality, high strength and long service life.2. Sophisticated Manufacturing Process: Using sophisticated manufacturing process, the is finely polished to ensure strength and improve the reliability of fastening.3. Small Size: This bike post screw is designed with small size, light weight, small size, which is easy and convenient to carry.4. Precise Thread: The screw is a precise thread, the connection is firm, and it is not easy to fall off, perfect for replacing bike parts.5. Easy Installation: It is convenient for you to install and disassemble, saving you time and effort, it is a DIY replacement part for bikes.Specification:Item Type: Bike Seatpost ScrewShell Material: Titanium AlloyGross Weight: 16g / 0.6ozProduct Specification: M5 X 40mmProduct Application: post, bow fixedProduct Size: Approx.8.5 x 40mm / 0.3 x 1.6in Package List:2 xScrew