Sena S1 Road Cycling Helmet Battery and delivers 70Nm torque

and delivers 70Nm torque

and pedal assist gives you a smooth boost while you ride

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

including custom trailers

Sena S1 Road Cycling Helmet Battery and delivers 70Nm torqueThe 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