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.
Features
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
Includes Viper nylon hub guard and Gong driver guard