• $299.98
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    Smith Mainline Cycling Helmet Downhill Adult Mountain Bike Helmet - Matte Black, Medium

    • Downhill-Certified Performance: The Mainline helmet is built for intense, high-speed trails, offering the confidence to tackle everything from EWS races in Whistler to local enduro stages.
    • Core Protection: Features full Koroyd coverage for lightweight, ventilated impact absorption and the MIPS Safety System, meeting U.S. CPSC, CE EN 1078, NTA8776 E-Bike, and ASTM F1952 Downhill standards.
    • Cool Comfort: With 21 fixed vents, a hybrid X-Static/Ionic+ liner for odor control, and lightweight webbing, this helmet keeps airflow steady and vision clear for goggles or glasses.
    • Customizable Fit: Includes three sets of washable cheek pads, two crown liners, two neck rolls, and an adjustable visor with three positions for optimal comfort and fit.
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    The Smith Mainline is our pinnacle, downhill certified enduro bike helmet. Safety innovations like Koroyd™ and MIPS® provide energy-absorbing impact protection so you have the confidence to get aggressive on the trail. It doesn't matter if you're slaying the EWS in Whistler or suffering through the last stage of your local enduro race, you need a breathable, lightweight helmet that pairs well with goggles and fits like a glove. The Mainline integrates with your bike goggles for efficient venting and fog-free vision. Multiple pad sets including liners and neck-rolls let you customize the fit.

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    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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