hey mafio.. i cannot comment on cycle from experience.. but i can say i personally have waited until sub 12% to cycle (and also til i get dialed into TRT).. 18% IMO is too high.. esp if u want to take advantage of the test to accumulate some mass... reason being for a bulk ur gonna want to be in a surplus of cals.. to cut fat ur gonna want to be in a deficit.. the test will prob help u hang onto LBM easier but in my experience this can also be done by simply eating a high protein low carb diet..

my suggestion to u is to be patient.. take 12-16 weeks and get on a good natural cut.. get ur bf down.. then reevaluate the cycle.. if u start lean ur gains r gonna look alot better along the way and u wont have to worry as much about gaining fat