Eclat Cortex Front Hub Guard type: slide-on front hubguard sleeve material: nylon-fibreglass how to install: threadless, slides smoothly over existing cone sold per piece additional information: exclusively designed for the éclat Cortex and Seismic front hubs / will fit Dynamic font hub if used with Cortex / Seismic cones this will fit the Cortex and 2017 Dynamic front hubs. In order to fit older versions of the Dynamic front hub, you will need to purchase the Cortex/Dynamic front cone set