Originally Posted by
MinnMan
When I crashed in October, I damaged my Giro Synthe MIPS, but escaped any head injuries. That gave me continued positive vibes about Giro helmets. Combined with the fact that Giro offered a 30% discount on any helmet as a crash replacement, I went with a Giro Vanquish MIPS. Its ventilation is probably not the best, and
this test says it's not as aero as others in its class, but I like the visor. I haven't seen direct comparisons about the net power savings of helmets with visors, but I' sure it's beaucoup watts (jk).
My understanding of aero helmets - from what I have read, mind you, not first hand (full disclosure) - is that the best helmet can vary a lot from person to person. That said, the Evade and the Vanquish are pretty much at the top of most tests that I have seen (which isnt many). Here is one:
Road, aero road and TT cycling helmets: How much difference does the type really make? - 220 Triathlon