Counteract Balancing Beads balance for the complete life of the tire due to their ability to readjust the balanced position as required... something lead weights are unable to do. Counteract balances the complete wheel assembly in all wheel positions on both trucks and trailers, as well as motorcycles, ATVs, motorhomes and classic cars. Counteract is protected from road hazards and obstructions inside the tire and will not fall off as lead w.iights can do.,. saving the environment from the problems caused by external wheel weights.