Having shops in NH and MA we have tried different weights to see what is going to work. 3M's wheel weighs are great, on new rims. They fall off on old rims and lets face it in the weather we have here, its a rare feat for a rim to be dry and free of debris. Currently we are using "steel" coated stick on weights. Very flexible and very sticky. Steel clip on weights I have been using for over a year and other than them being bigger Price wise is pretty close.