2013 & Up HUBDOCTOR PRO MAVIC FREEHUB CONVERSION+KSYRIUM ELITE S 2013 WHL BRNGS
The HubDoctor. Get rid of the plastic bushing once and for all! Runs quieter too! Fits seamlessly into your hub, no special spacers required; looks identical from the outside. (The freehub bearings only spin when you are coasting).