Description 1. Efficient: The bicycle bottom bracket wrench set allows for easy model switching and effective removal of the bottom bracket, ensuring reliable maintenance during both removal and installation. 2. Compatible with multiple models: Designed to install and remove three common bicycle center axle accessories. This bottom bracket tool fits Shimano Hollowtech II, BB9000, and BBR60 external bottom brackets. 3. High-quality material: Constructed from durable, heat-treated steel with chrome plating for enhanced resistance to deformation. Provides long-lasting performance and supports routine bicycle maintenance. 4. Non-slip handle: Equipped with a rubber-coated handle for improved grip comfort. Helps prevent hand slippage and ensures secure handling when working on stubborn bottom brackets.