3.55 vs 3.91

Only you can decide what is right for you, I put in 27" tire and 60 mph for the following calculations.


2.74 - 2100 rpm
3.23 - 2475
3.55 - 2700
3.91 - 3000
4.11 - 3150
4.30 - 3300
4.56 - 3500