* Optimized for mechanical efficiency, competitive weight, and increased durability* Continuously-phased five pawl freehub and 121 tooth drive ring offering 605 points of contact and .59 engagement.* Reduced pawl rotation, decreased pawl spring pressure, optimized drive ring diameter, and contact seal layout brings resistance and freewheel noise to a minimum* Unique scalloped flange design more effectively distributes stress than a simple round shape* Optimized flange width to enhance bracing angles, ensuring a solid foundation for any custom wheel build