50R embodies Sena's advanced Mesh technology and SOUND BY Harman Kardon excellence in a compact, sleek yet rugged design. Tested and proven by over 100 contestants and staff in the wilds of New Zealand during the Int. GS Trophy 2020, 50R continues Sena's long tradition of promoting adventure. With its powerful audio capability, and technological reliability 50R sets a new standard for communication on the bike.