The study cited is questionable. The best independent source for helmet testing IMHO is virginia tech's, which show that these are about as effective as MIPS,

The study cited is questionable. The best independent source for helmet testing IMHO is virginia tech's, which show that these are about as effective as MIPS, not 98% better as the headline suggests: https://www.helmet.beam.vt.edu/bicycle-helmet-ratings.html https://www.helmet.beam.vt.edu/bicycle-helmet-ratings.html Here's their methodology: http://hdl.handle.net/10919/83760 http://hdl.handle.net/10919/83760