V4S Gearing

Jun 2019
95
69
canada
As you can see below, going -1 front sprocket results in a 6.25% ratio reduction. Adding a +1 to the rear in combination with the -1 front is an 8.48% ratio reduction. +1 to the rear is a very minimal ratio reduction of 2.38%

sprocketresulting ratio% change from stock
16/41
0.390243902​
0.00%​
15/41
0.365853659​
6.25%​
15/42
0.357142857​
8.48%​
16/42
0.380952381​
2.38%​

 
Mar 2018
146
106
Washington
I added 2 to the rear on mine since the track I go to has a short straight. Puts a bit more pep in its step.
 
Sep 2019
56
12
Brentwood, CA
Just ordered a -1 front myself. I don’t think I’ve had a oem bike that didn’t have the gearing way too tall.