Originally Posted by
12strings
Ok, so I've got a pretty cheap helmet, and it came with a visor clipped onto it. Is it slowing me down at 20+mph speeds?
I notice most of our group don't have them...
20 mph, is always 20 mph. The visor makes you very slightly less aero, unless you are trying to shave a few seconds off a time over a set course like a 40k TT, the difference isn't worth worrying about.