Features: Our bottom bracket sleeve tool is craft from quality steel, ensuring durability and precisions for almost your bike maintenance needs. This tool features a strong designs that provide great torsions and grip, making it great for professional mechanic and cycling enthusiasts. Great for use in your home workshops or outdoor repairs during cycling adventure, this tool ensures your bike remain in top condition. Enhances your biking experience with this essential repair tool, designs to make bottom bracket maintenance straightforward and efficient. Perfect for cyclists of all level, from beginner to professional, who need reliable tool for regular bike maintenance. Specifications: Materials: Steel Color: As The Picture Shows Type: B23/B26/B29/B30 (Optional) B23 Size: approx.53x14mm/2.08x0.55in (More Size Detail, Please See Picture.) Package Includes: 1Pc Centre Shaft Socket Tool note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!