The cybex vr1 duals biceps and triceps machine is perfect for facilities that operate in limited space the station is extraordinary in its simplicity while the exercise patterns are familiar to avid gym goers it is the small details that make the difference such as the 21 reduction the cambered curl bar that allows for a variety of grip positions or the back pad that provides intuitive positioning and stabilization when performing arm extensions the 21 reduction system of the vr1 dual