Originally Posted by
Phaseshift
well I didn't mean nothing of it, I have a motorcycle its my only form of transportation, and with my exahaust on there i haven't been able to hear anything behind me since day 1
You realize this is a bicycling forum and not a motorcycle forum, right?
Edit: Never mind, saw your other post asking about a commuter bicycle. Personally, I'd consider riding with headphones/earbuds to be unwise. You don't want to deliberately cripple your #2 most important sense in a situation where missing an external cue could result in serious injury.