Tacx booster ultra high power t2500 trainerprepare yourself in a professional manner and get your body in top condition with the booster the top model of the tacx cycletrainers even at low speed the powerful magnetic brake generates high resistance the maximum resistance is 1050 watt this makes the booster highly suitable for simulating climbs and for interval training with short intense sprints the handlebar resistance lever allows you to set the level of resistance by selecting one of ten