One of the bestselling helmets ever, the 509 Altitude series excels across four key principles: safety, performance, fit, and style. Revolutionary design means precision fit and sleek profiling that exceeds the competition, plus innovative venting and all-day comfort for aggressive riding. At the peak of performance is the 509 Altitude 3K Carbon Fiber Helmet —our lightest, most durable helmet yet, equipped with the Fidlock® magnetic buckle for easy one-handed operation.
(1) Helmet bag
(1) Helmet storage bag
(1) Universal gopro helmet mount
Instructions & Manual