General description Designed for efficient removal of bicycle cranks, this crank puller is made from high-quality carbon steel, ensuring durability and strength. The tool features a hardened construction with a chrome-plated surface for added protection against wear and tear. Technical specifications Material: Carbon steel Surface finish: Chrome plated Includes: 1 x Bicycle Bottom Bracket Removal Tool, 1 x Allen Key Usage To use the crank puller, screw the lower black part of the tool into the crank until it is tight. Then, remove the crank bolt using the provided wrench.