Elite Qubo Fluid Trainer with Riser Block and Sweat Net Fluid resistance produces progressive resistance that increases as your wheel speed increases, so the faster you ride, the harder you have to work -- just like the road Generates a greater range of resistance from low to high, especially at high speeds Increased range of leaning area and optimal bike+athlete center-of-mass in relation to the frame improves stability and allows safer training at high speeds and power outputs Large flywheel is completely immersed in oil, so high resistance levels can be obtained at low speeds Qubo frame: