The DUB technology not only simplifies the combination of crankshaft and bottom bracket, it also ensures a higher durability of the inner bearing. SRAM DUB cranks have a uniform shaft diameter of 28.99 millimeters. Through various variants of the completely redesigned and better sealed DUB bottom bracket, the cranks are compatible with all common bottom bracket housings. The aluminum crankshafts have also been redesigned, reducing the weight of the DUB crank sets compared to their predecessors.