Indoor training has moved to the next level with Smart trainers connecting to apps like Zwift, making indoor training a smoother experience. As anyone who has ever sat on their trainer pounding the pedals can testify too, comfort was not considered when the turbo trainers were invented. Making indoor training for the average rider a pain in the arse. Rocker plates have changed that, bringing movement to your stationary trainer. The rocker plate revolution has transformed rider comfort on a stationary trainer. Introducing the Matrix BT52 Rocker Plate. Dynamic movement for your indoor training sessions.