Sena has been at the forefront of Bluetooth innovation for the motorcycle industry for years and is breaking new ground with our first of a kind Bluetooth integrated full-face helmet| Momentum. Sena has engineered this helmet from the ground up and for the first time riders will be able to hear our industry-leading technology the way it was meant to be heard| the ideal integration of Sena?ÇÖs technology creates an unrivaled audio experience. Momentum puts our top of the line and proven 20S technology inside a sleek and safe fiberglass shell. This state of the art helmet was created with riders in mind and is pre installed and ready to ride straight out of the box.