The Sena road cycling helmet bundle includes the R2 EVO helmet in Matte Gray, Small size and the R1 EVO CS smart helmet in Matte Black, Large size. Both helmets feature Sena's Mesh Intercom technology to enable hands-free communication between riders within a 900 meter range. This allows you to easily converse with friends and family while cycling. The R2 EVO has built-in speakers and microphone for audio calls and streaming music or GPS directions from your paired smartphone via Bluetooth 5.2. It provides good situational awareness since the speakers are positioned above the ears. The sleek, aerodynamic design is ideal for road cycling. The R1 EVO CS takes smart cycling helmets to the next level with a built-in LED taillight for increased visibility and safety. It also allows you to customize settings like friend groups and radio presets via a smartphone app. With similar Mesh Intercom, Bluetooth connectivity, audio system and comfortable fit as the R2 EVO, the R1 EVO CS is great for any type of cyclist. With both helmets including intercom and Bluetooth features, the bundle allows you to stay connected on rides while ensuring visibility and protection. The two size options provide flexibility to equip yourself and a fellow rider with technology-enhanced road cycling helmets.