Originally Posted by
RAPID RACER
Im not sure if this has already been qsked but im thinking about fitting the new 18t pulley for the rear belt only. Now my question is what will my new internal ratio be as ive increased the pulled size by 2 teeth. Also how do I work this out. Thanks for any help
39T(Diff Pulley)/18T(Drive Pulley)=2.166
Thanks!