Noise cancelling is great, if you want to cancel noise, but in traffic you may need to hear the lorry coming up behind you, so total cancellation could be dangerous.. the use of good ear buds allows a little of the ambient noise get through.Why noise cancelling isn't good?
There is another problem with even noise cancelling ear buds on bikes, . Wind noise around the ears , probably due to turbulent air flow is not cancelled. I have
Really? How could you have figures to support that?.the ones i linked to are 2000 times better than those