This robust bottom bracket has been completely redesigned to be simpler, stronger and smoother than before. With high-quality technology at its heart, this superb component creates the ultimate in stiffness, reliability and performance without sacrificing weight. Featuring SRAM's renowned DUB system, this model reaps the benefits of BB30A lightweight bearings and a robust oversized crank spindle. Thanks to its new standard for drivetrain performance, adjustability and reliability, you can enjoy the highest levels of performance, without the need to spend hours in your workshop or garage.