General description High quality bottom bracket wrench designed for easy removal of bike cranks. This tool features a premium carbon steel construction with a plastic bracket cap, ensuring durability and sturdiness for long-term use. Technical specifications Material: Premium carbon steel Design: 2-in-1 (one side for bottom bracket cap removal, another side for crank removal) Compatibility and accessories Compatible with: Hollowtech II Not compatible with: BBR60 Ultegra Usage Bicycle tools are essential for basic maintenance needs, making your riding experience more enjoyable and relaxing.