Onyx Racing hubs spin for so long! This translates to the trail with a sense of free-speed and you'll find yourself coasting for longer.
As of today, Chris King will be ramping up their production of Shimano Micro Spline freehub options to make them available for purchase on January 31st.
It sounds like angry bees, hooks up like a clutch system, and delivers ultra-quick engagement. It's Industry Nine's Hydra rear hub.