Rowson, StevenBegonia, Mark T.Miller, BarryStark, Nicole2025-07-112025-07-112025-07-14https://hdl.handle.net/10919/135963An update to star rating thresholds for bicycle, varsity football, and youth football helmets.application/pdfenHelmet ratingsFootball helmetsBicycle helmetsVirginia Tech Helmet Ratings Memorandum - July 2025Article