Truvativ Desc DH DUB Crank Set 34T DM black

DUB Technology
The unit of crankshaft and bottom bracket is the heart of the DUB technology. Here stiffness meets durability. SRAM has gone a step further and made everything even easier and better. It is the system approach through the integration of chainring, crank, shaft and bottom bracket that is decisive, resulting in better drive performance.

X-SYNC
X-SYNC 1x chainrings from SRAM provide maximum performance and durability. The long SRAM X-SYNC tooth edges grip the chain earlier than traditional triangular teeth. The sharp and narrow tooth profile as well as the rounded bevelled edges support the chain guidance. To provide the best possible performance even on muddy terrain, the X-SYNC chainrings have recesses for the inner chain links and rollers to remove dirt and mud. The X-SYNC chainrings, manufactured in Germany, are an important component of the 1x drive from SRAM