Elite Qubo Hydromag http://www.elite-it.com/qubo-hydromag/ Fluid and magnetic together, the best of both worlds. By combining the smooth feel of fluid with the adjustability of magnetic resistance you get a truly exceptional experience. The only trainer with magnetic resistance and fluid integrated together. Super powerful with unmatched smoothness. 5 levels settable by means of an easy to use dial that fits on the handlebar.