eclat-cortex-freecoaster-hub-36h-9t-right-side-drive-high-polished
eclat-cortex-freecoaster-hub-36h-9t-right-side-drive-high-polished, The Cortex dispenses with the balls and springs typical to freecoasters and replaces them with a coil spring and polymer ring, offering smoother operation and much longer life.6061-T6 alloy hub-shellHardened heat-treated crmo axle2 high quality sealed bearingsDriver features 2 high quality bearings and a bushing for extra supportLarge slack setting pre-installedAllen key inner axle for easy maintenanceAdjustable slack