50cc skyteam dax bike,eec 49cc 4 stroke ST50 motorcycle skymax,China ST70 dax replica ... trail motorcycle low fuel consumption. 50cc skyteam dax bike,eec 49cc 4 stroke ST50 motorcycle skymax,China ST70 dax replica ... , electric start, strengthened front fork and rear shock absorber ST50-6 ENGINE ENGINE TYPEAir-Cooled, 4 stroke, single cylinder, 2 valve ...