High Carbon Steel Anti-slip Hexagon/Square/Splined Crank Screws for Bicycle Bottom Bracket - M8/10/12/15.

These high-quality crank screws are designed to enhance the performance and safety of your bicycle's bottom bracket. Made from durable high carbon steel, they offer exceptional strength and longevity. The screws feature an anti-slip design and a variety of head options, including hexagon, square, and splined, ensuring a secure fit for different bicycle models. Available in multiple sizes, M8, M10, M12, and M15, they are compatible with a wide range of bikes, providing a reliable and stable connection for optimal riding experience. Ideal for cyclists seeking dependable components for their bike maintenance and upgrades.