Sram Rival 1 AXS Wide DUB 12s crankset

DUB technology
The unit consisting of crankshaft and bottom bracket is the heart of DUB technology. This is where stiffness meets durability. SRAM has gone one step further and made it easier and better. The system approach through the integration of chainring, crank, shaft and bottom bracket is decisive, which means better driving performance.

Stylish and reliable direct mount X-SYNC chainrings designed by the brand that pioneered 1x drivetrain offering the most reliable and efficient chain management over the long term.