Bike Radar aero helmet test

Triathlon Forum
1

If you ignore the look and feel part of the test and just look at the data it seems like there is not much in it - 20g’s of drag difference across 0 to 15 degrees.

Surprised the Giro Synthe had the most drag of the helmets tested.

http://www.bikeradar.com/road/gear/article/best-aero-road-helmets-tunnel-and-road-tested-44719/

At 20mphDrag average: 0, 5, 10, 15Grams1Bell Star Pro732.52Bontrager Ballista738.753POC Octal Aero7404Specialized S-Works Evade740.755Garneau Course746.256Kask Protone7477Giant Rivet7528Giro Air Attack755.259Giro Synthe755.25

2

there was a long discussion on this a few weeks back
http://forum.slowtwitch.com/cgi-bin/gforum.cgi?do=post_view_flat;post=5612383;page=1;sb=post_latest_reply;so=ASC;mh=25
.