Sena S1 Smart Cycling Helmet Review: Listen to Everything
One of the most important senses we have as bike riders is our hearing. Whether you're in a group ride, where other riders are calling out road and traffic hazards, or alone, to keep ears out for vehicles or other rides coming from our rear, our ears are nearly as essential as our eyes. Bone-conduction headphones—which sit outside the ears and deliver sound through vibration—have been around for some time. But Irvine, California-based Sena has consistently raised the bar on bicycling helmets wi