I only had 2806 miles on my Windjammer with the Trail Express and the Tire Minder sensors were mounted on the standard rubber valve stems. In my picture you can see the gouges the sensors made in the aluminum rims do to the stems flexing under the centrifugal force while wheel was spinning. Won't be happening anymore...
2015 Rockwood Windjammer 3029W Diamond Package
2014 RAM 2500 Laramie Longhorn 4 x 4
6.4 Hemi 410 HP, 410 Rear Axle