The letters “BSW” discovered on a tire sidewall point out that it has a black sidewall. This designation merely specifies the colour therapy utilized to the tire’s aspect. For instance, a tire labeled “BSW” could have black rubber seen on its aspect, versus having white lettering (OWL) or being fully white-walled.
Understanding this code helps shoppers perceive a tire’s aesthetic look earlier than buy. This specification is necessary as a result of look can affect a car’s general styling. Traditionally, sidewall designs have been a key component in car personalization and expression, with varied therapies signifying totally different eras or types of motoring.