RLS is so effective, that in an independent study, RLS was found to reduce the risk of concussion by 4x on average compared with conventional helmets*** Yet the study linked is 1) Not peer reviewed 2) Not actually published yet 3) Is hugely biased. Quote from the study: "Competing interests: This work was funded by HEXR Ltd. All authors are employees of HEXR Ltd or Dropmatics Ltd, which may benefit from the findings." HEXR is the company behind RLS, so they directly benefit from a study about increased safety from RLS. Also, canyon supplied the helmets for the control group...