This study aims to analyze the effect of Product Quality, Product Design, and
Word of Mouth on Purchasing Decisions of Polygon Bikes in Bumiayu. This
research was conducted by using quantitative research methods, taking nonprobability,
purposive sampling. The research sample was 90 respondents. The
research used is multiple regression analysis. The results of the analysis show that
partially Product Quality, and Word of Mouth have a significant positive effect on
Purchasing Decisions, while Product Design has no positive effect on Purchasing
Decisions. These results indicate simultaneously Product Quality, Product Design,
and Word of Mouth have an effect on Purchasing Decisions.