Features: Multiple Functional Planumberebog: This tool integrates 10 different measurements for bottom bracket removal and installation, suitable for both road and mountain velocipedes, enhancing repair efficiency for enthusiasts and specialists alike. High Accuracy Engineehoadministrator: Manufactured utilizing numerical control machining, each port accommodates perfectly to stop slipping, with chamfered fringes ensuring safe and fluid during maintenance. Premium Aluminum Alloy: Constructed from thin yet permanent aluminum alloy, weighing approximately 169g, available in traditional anodized black for aesthetic appeal and permanent use. Easy Actparticlemail: Features a direct process for installation and removal, with rightward and counterclockwise directions clearly highlighted for both operate and not operate bounds, suitable everyone skill levels. Compact and Portablemail: Measuring 210X56X23mm, this tool is simple store and carry, making it ideal for workshop use otherwise on proceed repairs during outdoor excursions. Specifications: Substancemail: Aluminum alloy Dimensionsecond: 210 girl unknown 56 girl unknown 23 girl Colorebog: Electrode Black / Electrode Gold Net weigheight: about 169g Technical Featuresecond: numerical control machining | Border chamfering crushing | High accuracy suitable Applicable circumstancesecond: Road turn | Mountain turn | Central rod disassembly and installation Package Includes: Threaded shaft loading and unloading sleeve (10 in 1) × 1 note: Threaded shaft loading and unloading sleeve (10 in 1) × 1