CeramicSpeed BSA SRAM DubEngineered for unparalleled drivetrain efficiency and ultimate durability, the CeramicSpeed BSA SRAM DUB bottom bracket optimizes every pedal stroke. The CeramicSpeed BSA SRAM DUB bottom bracket is a high performance upgrade meticulously designed to seamlessly integrate SRAM DUB cranksets into BSA threaded frames. Featuring CeramicSpeed's ultra low friction bearings, it dramatically reduces drag, ensuring smoother power transfer and measurable watt