Expert hubs have been in development for years. In addition to the unmatched performance, and improved serviceability, the.new hubs offer a new level of upgradeability in the form of Hybrid Freehub™  technology. Read further to learn more! New Design The Expert hub employs a fully new design providing the legendary performance Onyx Racing Products hubs … Continue reading Hybrid Freehub™ Upgrade for BMX Expert Hubs