The Bushido & Vortex update consists of 2 parts. The Bushido & Vortex brake firmware & the Bushido & Vortex computer firmware.
...Prepare yourself in a professional manner & get your body in top condition with the Booster, the top model of the Tacx cycletrainers. Even at low speeds the powerful magnetic brake generates high resistance, making the Booster suitable for simulating climbs & for interval training with short, intense sprints.