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
• Large slack setting pre-installed
• Allen key inner axle for easy maintenance
• Adjustable slack