The Shimano BB91-42A Press Fit MTB Bottom Bracket is a high-performance component designed for mountain biking enthusiasts. Known for its XTR quality, this bottom bracket guarantees smooth and efficient power transfer, enhancing your riding experience.
Compatible with all MTB hollowtech 2 chainsets, the BB91-42A is engineered for durability and reliability. Its press-fit design ensures a secure fit, reducing wear and extending the lifespan of your bike's drivetrain.
