When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Road force does not actually balance anything, it tells you if tire and wheel can be properly balanced.
It tells the person doing the work how to properly match/locate the rim to the tire by applying a load. GM conceders road force balance essential equipment in dealerships.