Description: 【Material】: These rear derailleur screws are made of titanium alloy, ensuring lightweight, hardness, and rust resistance for long lasting use. 【Ideal Size】: With a product size of 1.61cmx0.75cmx0.5cm/0.63inchx0.30inchx0.20inch, these screws are perfectly designed to fit your bike's derailleur. 【Bike Derailleur Screws】: Specifically designed for bike derailleurs, these screws provide the necessary tension for optimal gear. 【Package Includes】: The package comes with two titanium alloy rear derailleur screws, great replacement suitable for mountain bike, road bike derailleur repair. 【Easy Installation】: These bicycle screws can be easily installed on your bike's derailleur, making it an ideal choice for upgrading or replacing old or worn out parts. Specification: Material: Titanium Alloy Size Chart: 1.61cmx0.75cmx0.5cm/0.63inchx0.30inchx0.20inch Package Includes: 2 Bike Rear Derailleur Screws Note: Please allow slightly errors due to manual measurement and different monitors.