SENA R1 EVO Smart Helmet

The Sena R1 EVO Helmet effortlessly combines cycling protection with new communications technology. Combining technological and safety features, the R1 EVO is an upgrade to the standard cycling helmet. With a host of communication options, built-in audio functions, and a sleek design, this helmet is the right fit for any calibre of cyclist. Mesh Intercom allows for hands-free communications with other R1 EVO users within a 900 meter (half-mile) distance. The multi-channel Open Mesh supports 6 channels, allowing you to switch between different groups on different fewquencies. A built-in taillight, with three brightness settings can enhance clarity in different lighting situations. Built-in speakers keep your ears clear of obstructions, leaving you attentive to traffic and your surroundings while you listen to fellow riders or your music. Consult the sizing guide below to find the best helmet for you! Size Head Circumference (Centimeters) Head Circumference (Inches) S 50-55 9 5/8 - 21 3/4 M 55-59 21 3/4 - 23 3/8 L 59-63 23 3/8 - 24 3/4