Features1[Dual Sided Design] One side is suitable for 45.5mm diameter 24 notch bottom brackets like for DUB, the other side is for 44mm diameter 16 notch bottom brackets such as for BB52, for RS500, for GXP. 2[Full Coverage] The unique socket design ensures complete tooth engagement with the threaded shape, providing stable grip even on heavily used or corrosive bottom brackets, preventing slipping and enabling easy and efficient disassembly. 3[Precise Engineering] Crafted with precise machining techniques, this tool guarantees accurate sizing and ensures no damage to the bottom bracket during the disassembly process. 4[Ergonomic Design] This bottom bracket tool offers a comfortable grip, reduces hand fatigue, and enhances smoothness in the disassembly process, making it suitable for extended use. 5[Reliable Construction] Made of metal material with special hardening treatment, this tool is hard wearing, erosion resistant, and built to last, ensuring long lasting durability for repeated use.SpecificationItem Type: Bottom Bracket Removal ToolMaterial: MetalPackage List1 x Bottom Bracket Removal Tool