Specifically designed for professional use, this Taper Bottom Bracket is compatible with 68mm frame shells. Its precise dimensions and fitting ensure seamless installation, making it an ideal accessory for your bike, especially for mountain bike crankshafts. The materials and excellent workmanship make the Bottom Bracket perfect for long-term use. Its solid construction and durability ensure a prolonged service life, providing reliable performance for your bike. The integrated system of the Bottom Bracket enhances power output, offering more efficiency and effectiveness in your cycling experience. This optimal design fits the frame and allows for improved power transfer, resulting in enhanced bike performance.