The Blackbearing BSA 68/73-24/GXP B5 Bottom Bracket is engineered to elevate your cycling experience with its focus on precision alignment, enhanced fluidity, and sustainable design. Crafted with two machined aluminum cups that securely screw into the frame, this bottom bracket is designed for efficiency and durability.

Optimized Frame Alignment for Superior Performance: The threaded cup design ensures the bottom bracket aligns seamlessly within the frame, reducing friction for a smoother, more fluid ride. This precise alignment boosts performance, allowing for a responsive, efficient pedaling experience.

Interchangeable Bearings for Sustainable Maintenance: This bottom bracket offers the advantage of interchangeable bearings, enabling you to replace only the bearings without needing to remove the entire bottom bracket. This feature not only simplifies maintenance but also minimizes potential frame damage.

Enhanced Bearing Life for Long-Lasting Use: By reducing strain and maintaining proper alignment, this design helps extend bearing life, providing a high-performance solution with reduced maintenance frequency and costs.

The secure fit of the cups reduces the risk of cracking or stress on the frame, ensuring the integrity and durability of your bike over extended use.