"The ban only applies to communication between riders and their teams. Riders will still be allowed to carry radios and receive information from the organisation's race radio channel."
To be fair I never looked at their ears to check, but I did read this in a few places and it wouldn't be the first time pro cyclists have acted like kids whose toys have been taken away.
"The ban only applies to communication between riders and their teams. Riders will still be allowed to carry radios and receive information from the organisation's race radio channel."
From http://www.cyclingnews.com/news/radio-ban-in-place-for-stage-ten-at-the-tour-de-france
To be fair I never looked at their ears to check, but I did read this in a few places and it wouldn't be the first time pro cyclists have acted like kids whose toys have been taken away.