Minarelli Vertical Athena Aluminium 50cc : 0,80mm Athena Sport 70 cc : 0,70mm Athena Racing 70cc : 0,60mm Malossi MHR Replica Aluminium 50cc : 0,80mm Malossi Hyper Racing 70cc : 0,60 / 0,65mm Mxs racing 70cc : 0,55 / 0,6mm Mxs sport 70cc :…