LZ's Tech FAQ: Technical FAQ: Testing aero helmets - Giro's new Synthe helmet provides many of the aero advantages of other helmets without the unsightly aesthetics. Photo: Caley Fretz | VeloNews.com Dear Lennard, I’ve bought into Giro’s helmet technology in a big way. I own an Air Attack Shield and Synthe, so imagine my disappointment having read this “independent” test. Have I been taken for a “marketing mug,” or are the test parameters so fuzzy that no one can lay cl... http://ow.ly/32yxTA