if you up to a 19 probly go hirgher bro. if you has the stock pipe and the kit, but a 15 or16 on it, you canwill be fine in the 70 range. just fine tuneding it.
\\remember, do NOT go fuckbalwildfast in a nu kit. you finda blwow you shit up quick that way. alternator your speed corectly. go vareous speed but do not just go 0-50 and that it. baby it for a few hunerd miles.
bwt, a 19 will rap ass but if you dose a 19 you will has to dick arond with the phbg or what they call it and it not like the simpoe 14.12 set up you has. if you nto that incline on working on you bike, then stick to the 16 delltrollo since it is the same formyfactor as any deltrollo 12mm and up. peach out! rememer you can emale us at firstname.lastname@example.org