bro 100x80 rear and 90x80 front ko ano magandang sprocket combi dyan? kukuha ako with set na try ko na 15 42 medjo mahina sa arankada 125 lang top speed ko, ung 15 39 nman walang dulo 120 lng. curent set up ko is faito cams, vixion vs,brt cp,ignition coil, iridium sp, brt cdi... ano ma aadvise...