Back in 2009 I'm pretty sure I did a run at Maindy with just a beanie on when no-one was looking, would have to dig it out though!
Other athletes are less sensitive to helmet choice, depends heavily on the body position and to a lesser extent clothing. One aero test with a rider showed up no significant differences between a Bell Meteor, Uvex FP2 and a Kask Bambino, but the Bambino was more comfy so a better choice.
On someone else a McLaren helmet was quicker than a Bambino, on another a Selector was quicker than a Bambino, etc., there are some general rules and avenues to take with helmet testing but it is individual.
Back in 2009 I'm pretty sure I did a run at Maindy with just a beanie on when no-one was looking, would have to dig it out though!
Other athletes are less sensitive to helmet choice, depends heavily on the body position and to a lesser extent clothing. One aero test with a rider showed up no significant differences between a Bell Meteor, Uvex FP2 and a Kask Bambino, but the Bambino was more comfy so a better choice.
On someone else a McLaren helmet was quicker than a Bambino, on another a Selector was quicker than a Bambino, etc., there are some general rules and avenues to take with helmet testing but it is individual.
Xav