The Tacx Antares Roller are Tacx's revolutionary contribution to the new found popularity of track racing. Their design is state of the art; thanks to the conical rollers your ride will be extra stable. With the Antares you can now focus even more on your goals in training: improve your fitness and pedal stroke and reinforce your sense of equilibrium at the same time. When you ride without the (optional) brace you will need to concentrate! This is vital to track racing.