Smith Mainline Mips Bike Helmet

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SMITH MAINLINE REVIEW – All day full face helmet for enduro mountain biking rides?
Breathable, more robust than other enduro-focused options, lightweight Extremely light, versatile, comfortable Lightweight, excellent ventilation, quality fit Protective, reasonably priced, comfortable Impressive price tag, comfortable, available in seven sizes
Cons Not suited for frequent bike park duties, a little expensive Not the most protective, mud can clog up the chin bar bar attachment system Narrow range of use compared to other helmets, tight chin bar Average ventilation, heavier weight, no rotational impact protection system Warm, poor ventilation, fit is a little loose
Bottom Line A dialed enduro-oriented helmet that delivers excellent breathability and solid protection An extremely light and well-ventilated convertible full-face helmet suited for aggressive trail and enduro riding A lightweight and supremely breathable enduro-oriented helmet A full-face helmet that boasts a strong value and high levels of protection A respectable full-face helmet at a stunning price tag
Rating Categories Bell Super Air R MIPS Troy Lee Designs St…
Bell Super Air R MIPS Troy Lee Designs St…
14.9 oz – half shell 23.8 oz – full face 24.3 oz
18 helmet, 8 chin vents, 4 brow ports 25

Smith Mainline Helmet Review

Review by Nic Hall

With bike technologies and our skills progressing, half shell helmets leave us feeling a bit vulnerable. More often than not we find ourselves reaching for a pedal friendly full face instead, even on longer pedal rides with steep descents. After a hard slam to the face where the Smith Forefront prevented me from a serious head injury, I was stoked to see the Smith Mainline show up at the office.

Smith went back to the drawing board with several objectives for a pedal friendly full face: Protection, Airflow, Fit, and Weight were all at the top of the list. The Mainline is the result of several years of testing and development with their pro athletes. But is 800g of Koroyd protection with a DH certified chin bar and half shell breathability too good to be true? We rode it for the last few months to find out.

THE LABSmiths Mainline relies heavily on a unique material to balance safety and breathability. Koroyd, which looks like a bunch of straws glued together, has superior energy dissipation when compared to traditional EPS construction but breathes well while remaining lighter than EPS only helmets. Smith employs a MIPS system, a layering of Koroyd, an EPS inlay, and a hard outer shell to give the Mainline EN1078, CPSC 1203, and ASTM F1952 ratings. In normal English that means the Mainline protects as well as any full DH racing helmet, including the chin bar.

Smith Mainline Mips Mtb Helmet

Made for going big, going fast, or both, 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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Can You Make It Lighter

Smith Mainline MIPS MTB Helmet

While the design of the helmet prioritizes protection, weight is also very important for riders expecting to spend a full day racing.

Utilizing Koroyd® makes for a very lightweight helmet, without sacrificing the thickness and materials needed to provide the confidence of highly protective helmet.

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Smith Mainline Review A Great Full

Smith Manufacturers website

The Smith Mainline is the debut full-face helmet from Smith, and its a very cool looking helmet indeed. Smith have long been linked to Koryod and so its no surprise to see the impact absorbing tubes used in the Mainline. The helmet features 21 air vents and uses their AirEvac ventilation system, by which they mean the narrow vents above the google interface line that draw hot air from the goggles up and over the head. For maximum adjustability, the helmet comes with three sets of antibacterial coated pads of different thicknesses. The helmet is finished with an adjustable visor and is fully ASTM F1952 Downhill certified.

Tops

  • amazing build quality and material

The Smith Mainline looks amazing, has an outstanding finish and materials that look a million dollars. Bristling with safety features, the Smith Mainline is an impressive full-face debut. However, with a very creaky interface on the MIPS lining, its not one for those who look for a quiet ride. With no cradle, you should double check the fit.

Did you enjoy this article? If so, we would be stoked if you decide to support us with a monthly contribution. By becoming a supporter of ENDURO, you will help secure a sustainable future for high-quality mountain bike journalism. .

Words & Photos: Trev Worsey

Why We Like The Mainline Mips Full

Smith makes their debut into the world of ultra-light full-face helmets with the all-new Mainline MIPS. Featuring extensive ventilation and lightweight yet tough construction, this helmet offers the airy feel of a half-shell while providing downhill-certified coverage for a boost of confidence on rowdy trails. Advanced protective features include Smith’s unique Koroyd crumple zones that go above and beyond to disperse impact forces, as well as a MIPS protective layer that helps mitigate harmful oblique impacts.

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Smith Mainline Mips Helmet

$300.00

Give credit where credits due. Thank your mom, your legs, and your gear for giving you the opportunity to land that rocky gap. Made for going big, going fast, or both, 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 doesnt matter if youre 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.

Smith Mainline Mips Bike Helmet 2021

Smith Optics Convoy MIPS Bike Helmet – The best kept secret in MTB and cycling?

    • Downhill Certified
    • MIPS low-friction layer slides 10 to 15mm in all directions, reducing rotational motion to the brain during impact
    • Koroyd manages energy more efficiently with less volume than traditional protection materials
    • The AirEvac system works to pull air off of your eyewear to prevent fogging
    • 3 sets of sized cheekpads, 2 sets of sized crown liners and 2 neck rolls to ensure a proper fit?all of which can easily be removed for cleaning
    • D-ring chin strap fastener
    • Aerocore in-mold construction helps absorb impact and offers lightweight feel
    • Adjustable visor

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Smith Mainline Mips Bike Helmet

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Product Info

The Smith Mainline MIPS Bike Helmet takes the brand headfirst into a highly contested scene, and their first full-face is a winner. As lightweight and as comfortable as their half shells, the Mainline will shock you with its airy feel. If you’re challenging yourself with bigger terrain and higher speeds, the confidence you’ll get from this full-face is a welcome addition. You charge, but so do dentists: rock a full-face and only see them at your six month checkups!

Product Details

Keyboard: Arrow: Right Features

    • Complete Koroyd® coverage for lightweight, energy-absorbing and ventilated impact protection
    • MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head
    • CPSC CE EN 1078 and ASTM F1952 downhill certified

Fit / Integration

  • Designed for ultimate integration with Smith performance goggles for maximum comfort, venting and storage convenience
  • AirEvac ventilation system integrates with Smith goggles for fog-free lenses
  • Three washable cheek pad kits, two crown liners and two neck rolls let you fine tune the fit
  • D-ring chin strap fastener for a snug fit

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Our Analysis And Test Results

Smith has a long-running history of producing quality mountain bike helmets. Until recently, they did not have a full-face offering in their lineup. The Mainline is their first entry into this realm and they hit a home run. This helmet delivers high levels of comfort and ventilation and offers a nice level of protection that should suit most riders and applications.

Smith Optics Mainline Mips Bike Helmet

Smith Optics Mainline Mips Bike Helmets

$186.00

Give credit where credits due. Thank your mom, your legs, and your gear for giving you the opportunity to land that rocky gap. Made for going big, going fast, or both, 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 doesnt matter if youre 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.

  • Complete Koroyd coverage for lightweight, energy-absorbing and ventilated impact protection
  • CPSC CE EN 1078 and ASTM F1952 downhill certified
  • Designed for ultimate integration with Smith performance goggles for maximum comfort, venting and storage convenience
  • AirEvac ventilation system integrates with Smith goggles for fog-free lenses
  • Three washable cheek pad kits, two crown liners and two neck rolls let you fine tune the fit
  • D-ring chin strap fastener for a snug fit
  • 21 fixed vents for consistent airflow
  • Adjustable visor
  • Hybrid X-STATIC / XT2 anti-bacterial performance lining for odor resistance

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