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Quantity
1
The 509 Tactical 3.1 MTN Helmet delivers bold style, Cardo UCS communication compatibility, and advanced ventilation for peak mountain performance. Stay connected, cool, and protected on every ride.
Reviews
3.9
8 ratings
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I would buy again
Some days I’ll do 60 miles off trail, other days I’ll hop on the trail sled and hammer out 200 miles of trails this helmet works well for both. I’m bald so my head sweats a lot this helmet has a way of pulling the moisture out and off your head without leaving it sopping wet on the inside. Love the head phone cut outs also.
T
Troy · February 26, 2026
Amazing helmet. Good fit.
L
Lucas · February 13, 2026
Weird fit
The helmet seems to be of good quality, But I where a 3xl and this helmet fits good around the head and ears but very tight in the face almost like it is a large size. I've had many helmets over the years but none fit as weird as this one. On top of it all I live in canada and i found out that 509 doesn't pay shipping back from Canada. The cost for me shipping would be $160 more than half the price of the helmet.
