Use the calculator below to determine speed, rpm, shift points, and more! Ever wonder how a tire or sprocket change will change your 250R's final gear ratio? Enter your own values or start with the many preset transmission gear ratios - stock 1986-1989 or aftermarket from Baldwin, Yukon, LED Performance, Nate McCoy, as well as CR500R ratios for those that own an R with a transplant!
Click now to use TRX250R.ORG's Gearing Ratio RPM Speed MPH KM/H Calculator for your TRX250R!
