The new tacx booster turbo trainer has quickly become a pro favourite thanks to its powerful class leading magnetic brake system the built in magnetic brake and flywheel generates very high resistance even at low speed more than tacxs satori which is why its used for warm up and training by the likes of leopard trek astana quick step radioshack vacansoleil and the 2012 olympics to name a few with its realistic and powerful resistance the booster is possibly one of the best turbo tr