Flip-Up Helmets with chin bar rotated all the way back

Reviewing the only two modular chin bar all-the-way-back helmets that I’m aware of…

Shark Evo One 2, Evoline, & Roof Boxer V8 Flip-Up Helmet

Plus the chin bar retracts all the way to the back of the helmet so that when you “aren’t” riding with it up, so it won’t cause much drag

 I was looking to buy a helmet first and very much like the new line of modular helmets that have the chin–bar go all the way to the back, the … (video review)