The Schwinn Radiant Bike Helmet features 6 removable LED lights on the rear to enhance safety, making you more visible to other road users. The lights boast 3 modes steady, flash, and strobe. This Schwinn bike helmet has a 360 dial-adjustable system that ensures a perfect fit, and 11 vents allow air to flow freely so you stay cool on warm-weather rides. The Schwinn Radiant Bike Helmet is ASTM1492 certified for multi-sport use so you can use this helmet at the skatepark, as well. Compliant with the U.S. CPSC Safety Standard for Bicycle Helmets. 6 removable lights enhance safety 3 modes include steady, flash, and strobe Dial-adjustable system delivers a secure fit 11 air vents keep you cool