J jasonrev Well-known member Dec 14, 2010 #1 I went from 10 tooth 2.52 drivers to 7 tooth 3 pitch drivers can someone give me a formula to convert the speed on my speedo to my actual speed with the smaller drivers.
I went from 10 tooth 2.52 drivers to 7 tooth 3 pitch drivers can someone give me a formula to convert the speed on my speedo to my actual speed with the smaller drivers.
