color

Darknight Gray Mint Green Snow Ultraviolet

size

Medium (21in-22in/54cm-57cm) Small (20.47in-22.05in/52cm-56cm) Large (22in-23in/ 58cm-60cm) Medium Medium (21.3in-22.4in/54cm-58cm) Large (22.4in-23.5in/ 58cm-61cm)

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LIVALL EVO21 Smart Bike Helmet combines safety with smart technology. Features 360-degree visibility with brake warning lights and turn signals controlled by wireless remote. Built-in fall detection sends SOS alerts to emergency contacts via the LIVALL app. Weighs just 0.77 lbs with 30% more ventilation for comfort during rides. Auto-standby mode saves battery when not in use. Perfect for urban commuters and cyclists who want enhanced safety and visibility on the road.