When buying a new trailer is is extremely critical to tighten the lug nuts after approximately 50 miles. People ask us why. Car trailers have splined studs in the brake hubs. The are pressed in at the factory. It is impossible to make sure they are fully seated every time. Even when the car trailer manufacturer installs the wheels and tightens the lug nuts it doesn’t always fully seat the studs. the vibrations of going down the road will help them seat. Which virtually loosens the lug nuts. Many times over the years, we have seen customer loose wheels on their first long trip. This is due to their decision not to tighten the lug nuts. Dexter recommends the nuts on trailers be tightened at the first 10, 25, and 50 miles. Thank you, Bigfoot trailers serves Orlando, Tampa and all of central Florida