EVO21EVO21 Smart Helmet, Weight Approx.350g, Size, M:54-58cm, L:58-62cm Apply:Bicycle, Bikes, Skateboard, Roller Skating, Hoverboard, E-bike, etc., BrighterOther brands claim to give you 360° visibili more→ty, but they often fall short.The EVO21 offers true 360° coverage, with a brake warning light and turn signals for visibility from all directions.LighterWith 30% more ventilation and 350g lightweight design, you´ll stay ahead of the pack while cutting down on sweat.Fall Detection/SOS Message TechnologyIn the event of an accident, the emergency system will kick in, and send your GPS location to your emergency contact within 90 seconds whom you have configured in the LIVALL Riding App previously.LIV…