Bike Beam, Mount Any Bike With This Virtual Top Tube For Quick & Easy Mounting

.responsive-video { position: relative; padding-bottom: 56.25%; /* 16:9 aspect ratio */ height: 0; overflow: hidden; max-width: 100%; } .responsive-video iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } By bridging the gap between the bike's stem and seat tube, the Bike Beam creates a virtual top tube that lets you bring any bike along for the ride.