size M, 54-58cm495gABS-plasticratchet closureblackfront position lights, SOS function, flashing indicator, brake lightProduct description360 smart protection – perfect for all urban ridersThe award-winning multifunctional helmet Livall BH51 gets an update that is “worth seeing”. With the BH51T Neo, LIVALL makes smart bike helmets even safer. The multifunctional talent is ideal as a companion for e-scooter, bicycle and e-bike riders. In addition to the great safety features, the helmet comes in an attractive design! In contrast to the BH51M Neo, the lower-priced version is intended for those who can do without HIFI, walkie-talkie function and headset. Here is an overview of the features Rear light Indicator Crash sensor Position lights at the frontRear light with brake light! Anti-loss alarm SOS function With remote control for handlebar 360 light system with automatic day/night function The LED band reaching up to the ears and two position lights on the front of the helmet make you e