Troy Lee Designs D4 Composite Bike Helmet

Take a look around: the Troy Lee Designs D4 Composite MIPS Bike Helmet is on some of the most recognizable heads on the hill. From freestyle riders who launch themselves upside down on purpose to racers who pay their mortgages by going as fast as possible on a bike, the D4 is the choice of professionals in every genre. At 1050 grams, it's an ultra-lightweight full-face that's a joy to wear. There's nothing better.