alright i hear from a friend of mine if i get sprockets to get a "yellow box", something that recalibrates my speedometer and maybe my odometer? not sure if odometer is affected or not but the speedometer i think would be... any help or the real name of what it is would help....also where to get one...thanks guys

 

lame, ignore ur friend, waste of money n time, just ride next to a friend to see how much ur speedo is off then whalaa
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speedo calibrating = $$$
Intelligence = Priceless