Originally Posted by
GlennR
You must live in tornado alley, because i can hear cars coming up from behind and will move to the right... if i can.
No, I'm just
that fast 
Everyone's ears are unique, I've bought
Cat-Ears for Lisa cause she couldn't hear me talk with her at 12 mph on a quiet trail - they made a huge difference. OTOH - I can talk with teammates in a pace line at 20 mph; but hear a car approaching, nope. That's why I ride with the Garmin radar, much better than counting on loud cars and low wind noise.