Sena S1 Road Cycling Helmet Battery All models listed with multiple

All models listed with multiple axle sizes separated by a / include adapters for use with each axle configuration listed

including custom trailers

Frame size20"

Rims Double-wall Aluminum alloy

Sena S1 Road Cycling Helmet Battery All models listed with multipleThe Mesh Intercom equipped S1 combines safety and technology into a sleek and aerodynamic package built for road cyclists. Senas Mesh Intercom allows riders to communicate hands free with other Mesh users (R1 EVO, R2 EVO, M1 EVO) within . 8 miles (1200 meters). Audio is delivered through integrated speakers located above the riders ears, which allows for awareness of surrounding sounds such as traffic, unlike in ear buds. Bluetooth 5. 2 technology