Primo freemix freecoaster hub with guardsthe freemix hub is a superbly refined approach to the freecoaster market primo bike parts have always been known to excel in terms of quality and performance their most recent freecoaster design is no exception this hub has been created with simplicity and functionality in mind achieving an increase in reliability and performance over many other freecoaster hubs on the market it purposely has no adjustable parts meaning it is ready to mount and ride