Sena Stryker Helmet - Quantum Series Gloss White / S - The Stryker is Sena’s latest full-face smart helmet, equipped with both Mesh Intercom and Bluetooth Intercom technology plus premium speakers and microphone by the audio experts at Harman Kardon. Stryker is a sport touring helmet with seamlessly integrated speakers and microphone that bring a new level of precision and clarity to in-helmet audio. The Stryker helmet is packed with premium features including an integrated taillight and a convenient retractable sun visor. The helmet features a DOT and ECE-rated composite fiberglass shell and offers an impressive seven-vent design with an intermediate oval fitment.