ive got the new typhoon 4t 125 to be honest the guy in the shop said go for the gilera runner newshape but i wnted somethng diff he said it wouldnt go more than 65mph so i put a leo vince road exh on it n got a booster spring to improve the acceleration n it did so got 75mph out of mine mad quick for a 4stroke plus its reliable but i wana put a variator kit on mine to give it a last lil kick other than that im keeping it standard but i understand im gna need to lighten up my rollers by 1gram but i wana know what the standard roller size is so i can adjust it ps i got the meanest newshape 4t typhoon looks nuts and its off someone leme know though