Designed for frames with an 86/92 mm width and a 47 mm frame diameter, the Blackbearing T47 86/92-30 B5 Bottom Bracket offers smooth, reliable performance with 30 mm axle compatibility. Its screw-in design ensures that both machined aluminum cups align perfectly, enhancing fluidity and performance.

Improved Housing Alignment and Longevity: With precisely aligned housing, this bottom bracket reduces cracking and boosts the durability of both the bracket and the frame. The two aluminum cups are engineered to screw into each other, ensuring seamless integration and stability.

Interchangeable Bearing System for Easy Maintenance: The interchangeable bearing design allows you to replace only the bearings, avoiding the need to remove the entire case. This reduces the risk of frame damage and makes maintenance efficient and cost-effective.

Crafted for Endurance and High Performance: Constructed from premium materials, the Blackbearing T47 86/92-30 B5 Bottom Bracket is built to deliver consistent, smooth performance. It is designed for cyclists who demand high precision and a long-lasting, reliable component that can handle the toughest conditions.

Elevate your cycling experience with the Blackbearing T47 86/92-30 B5 Bottom Bracket—a durable, high-performance bottom bracket built for precision and ease of maintenance.