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.

• 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-shell
• Hardened heat-treated crmo axle
• 2 high quality sealed bearings
• Driver features 2 high quality bearings and a bushing for extra support