Bontrager XR Tires? What's the Difference? Bontrager XR1 XR2 XR3 XR4 XR5 rundown review

I go over the difference between the xr1 xr2 xr3 xr4 xr5 tires. I show the tires mounted on a rim and go over who the tire is geared to and what trail conditions the tires are geard to. I also give the displayed weights of each tire.