Motorcycle Sprocket Ratio Calculator

Enter current sprocket setup
  Front Rear Ratio   RPM MPH
   
   
Change Front Sprocket +/- % rpm@mph mph@rpm
-2  
-1  
0  
+1  
+2  
 
Change Rear Sprocket
-4  
-3  
-2  
-1  
0  
+1  
+2  
+3  
+4