Lumos Ultra Smart Bike Helmet | Customizable Front and Back LED Lights with Turn Signals | Road Bicycle Helmets for Adults: Men, Women Charcoal Black with MIPS M-L (21-1/4” to 24” / 54 to 61cm)

MIPS Head Protection - MIPS stands for Multi-Directional Impact Protection System. A MIPS helmet has a clever safety design to help protect your head by letting the helmet absorb rotational impact force. Also complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older.
Turning Left or Right? - The bright helmet LED lights lets those behind you know which way you are turning, controlled by the wireless handlebar-mounted remote.
Smartphone connection - Customize the pattern of your helmet LEDs, adjust the brightness, synchronize your lights to other helmets using our new Team Sync feature and track your rides all from your phone. The battery can last up to 10 hours and uses a Universal USB Type-C charging cable.
An extra layer of safety - Take your bike helmet to a new level with bright front and rear LED lights, making you visible to vehicles from all angles. The Lumos Ultra is the most backed Kickstarter project in the "bike" category as well as the most funded in the "bike accessories" category.
Gift your cyclist buddy - The Lumos Ultra is guaranteed to draw a huge smile on any rider. You would not want another helmet after riding with the Lumos Ultra.