Designed for precision and durability, the BB91 Bottom Bracket / Lockring Tool is the ideal solution for installing and removing bottom brackets and SD Sniper lockrings that require a 16-tooth, 44mm interface. Engineered for professional mechanics and serious home users alike, this tool ensures a secure fit and efficient torque transfer without damaging components.Manufactured from alloy material, the BB91 tool delivers long-lasting performance even under frequent workshop use. Features:- Compatible with BB91 bottom brackets and lockrings- 16-tooth interface with 44mm diameter- Precision-machined for accurate fit and secure engagement- Durable, high-strength steel construction- Suitable for professional workshops and home mechanics