Enhance your bike's performance and reliability with this high-quality Bicycle Bottom Bracket, crafted from durable aluminum and precision sealed bearings. This bottom bracket is specifically designed for BB 30mm cranksets, ensuring a secure fit and smooth rotation, making it an essential upgrade for cycling enthusiasts. Key Features: · Premium Materials and Durability: Constructed from high-strength aluminum combined with sealed bearings, this bottom bracket offers excellent wear resistance and long-lasting performance. · Compatible with BB 30mm Cranksets: Designed to fit bottom bracket shell widths of 68-73mm and an outer diameter of approximately 42mm, providing a precise and stable installation. · High Strength and Hardness: Engineered for superior rigidity, this bottom bracket resists deformation and maintains structural integrity under demanding riding conditions. · Lightweight and Compact Design: Weighing approximately 147g, it is easy to install and reduces added weight on your bike, helping enhance your riding efficiency. · Versatile Compatibility: Suitable for multiple cranksets, including SHIMANO, Prowheel, FSA, and SRAM GXP models (with the included conversion sleeve for 22mm spindle). Specifications: · Condition: Brand New · Item Type: Bicycle Bottom Bracket · Material: Aluminum with sealed bearing · Outer Diameter: Approx. 42mm (1.7 inch) · Inner Diameter: 24mm (1 inch), convertible to 22mm (0.9 inch) with swivel sleeve · BB Shell Width Compatibility: 68-73mm · Weight: Approx. 147g Package Includes: · 1 x Bottom Bracket This lightweight, durable bicycle bottom bracket with sealed bearings offers excellent stability and performance for your cycling needs. Easy to install and compatible with a wide range of cranksets, it is the perfect accessory for upgrading your bike and ensuring a smoother, more efficient ride.