Strategically placed ventilation ports

3030-25079

5" MTB Tires

Designed with a performance-oriented fit and equipped with class-leading Nucleon Flex Plus protection on the shoulders and elbows

SPEED ZIP CONTROLLED VENTILATION

Icon Threshold Modular Burn Birdie Burn Adult Street Helmets Harley-Davidson Dyna Glide/Dyna Wide Glide FXDC Dyna Super Glide Custom 2009 Parts Strategically placed ventilation portsIcon Threshold Modular Burn Birdie Burn Adult Street Helmets WORLDS FIRST PERFORMANCE SPORT MODULAR HELMET Purebred for the street has been our mantra since day one, and its the reason we created the Threshold helmet. Built for riders who demand versatility without compromise, it blends a sleek, aerodynamic shell with a positive locking modular chinbar for quick conversations, fuel stops, or just catching a breath. Intermediate Oval Headform Modular