
Replacement helmet clamp kit for the Sena 20S Evo, 30K & 50S Bluetooth Headset. This kit can be used to set up a second helmet to receive your Sena 50S Bluetooth. Replacement helmet clamp kit for the Sena 20S Evo, 30K & 50S Bluetooth Headset. This kit can be used to set up a second helmet to receive your Sena 50S Bluetooth Headset. Includes: Universal helmet clamp for 20S Evo / 30K & 50S Headsets Wired boom microphone Wired microphone Glued surface mounting adapter Speakers VELCRO® brand fastener pads for speakers VELCRO® brand fastener pad for boom microphone VELCRO® brand fastener pad for wired microphone