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Wrap a flexible tape measure around the largest portion of your head about 1/2” or 1.25 cm above the top of your ear. Pro Tip:You can use a string if you do not have a flexible tape measure, then measure the string with a tape measure or ruler. Once you've measured yourself, check our sizing chart to find your size.
How to adjust the fit system
Some helmets come equipped with a fit system. This system allows for the helmet to fit more comfortably and securely on the head while riding.Fit systems do not affect the helmet’s ability to stay on in an accident.Only the above retention system does that.
These fit systems are usually identified as a dial-like system on the very rear of the helmet. Many of these dial systems can be adjusted up or down on the inside of the helmet for better comfort. They can also sometimes be adjusted forward and backward for better comfort as well. Check the inside of the helmet for adjustment notches and, if available, try out different fit system configurations to find the most comfortable fit.
Never adjust the snap-in pins to a location that is not designed specifically for receiving the adjustment pins. By activating the dial clockwise or counter-clockwise, the helmet’s fit system can contract or expand to better fit the user. Some dials may need to be pressed inward prior to rotation in order to be properly activated.
How to adjust the straps
1.First, position the helmet on your head so that the lowest front edge is about 1.5 inches or 3.8 cm's above your eyebrow. Your helmet should not be tilted back on your head (figure 1). When the helmet is properly positioned on your head, both the front and the rear straps should be evenly tensioned, with the strap guides positioned just below the ears (figure 2). If the straps are uneven, they can be adjusted by pulling them through the rear of the helmet.
2.To adjust the length of the straps, use the strap guides to make the adjustments up or down so that the strap guide is positioned just below the ear. Any slack in the strap must be pulled through the chin buckle. The loose ends of the strap must then be passed at least a half inch through the rubber "O" ring. The straps should not cover your ears.
3.Next, close the chin buckle and tighten the combined straps until they are comfortable underneath your chin, and as far back towards the throat as is comfortable. Position the buckle so that it is centered side to side. To see if your straps are correctly adjusted, try to pull the helmet off from both the front and the back. If it can be tipped forward, tighten the back straps. If it can be tipped backward, tighten the front straps.
If the helmet does not fit properly after adjustment, do not use the helmet! Choose another size and/or model of helmet that fits and which can be properly adjusted.
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CONSTRUCTION & FEATURES
LIGHTWEIGHT. DESIGNED FOR DIRT.
Your mountain bike helmet should help you stay locked in, connect with the trail, and find flow. That feeling when everything lines up—that’s why we ride. From technical lines to tacky singletrack, the Flow mountain bike helmet keeps you in the moment, moving in sync, comfortable and protected. Built with features from the forefront of bicycle helmet tech, like full back coverage and micro-fit adjustment, a cooling ventilation system and indexing visor, the Flow helmet is the right piece of gear to help enhance your mountain bike riding experience... enjoy the ride!
+ LEM Flow-Thru™ ventilation system offers large intake and exhaust vents to keep you cool
+ Proprietary GelMotion® technology for enhanced management of high- and low-energy impacts, and rotational and oblique impacts
+ Multi-Positioning indexing visor for secure on-trail adjustment and convenient out-of-the-way goggle stowage
+ LEM FS2™ fit system brings a secure, easy, on-the-fly customizable fit with micro-adjust dial
+ Integrated, 3 PC shell technology and in-mold EPS for impact energy management, durability, and lightweight feel
+ Number of Vents: 16
+ Webbing: Polyester Reflective
+ Padding: LEM-Tech w/Bug Mesh
+ Reflector: Yes
Sizes: Small 53-56cm, Medium 56-59cm, Large 59-62cm Weight: 280g Certification: CE EN1078
All riding can be a hot and sweaty business but riding off road is often at slower speeds than road riding, so the through flow of air through the helmet is completely different. That’s why the vents on the MTB helmet are designed particularly for off-road riding with large intake and exhaust vents to keep air flowing at the lower speeds. It’s never just a case of presuming one technology is good for all styles of riding – a good helmet has got to be designed for the precise kind of terrain it is going to be used for, and that’s exactly what you get with the Flow.
Positioning of the visor on mountain bike trails can be so crucial for full riding enjoyment. Changing light and weather means adjustment needs to be quick and precise. That’s why the visor on the Flow MTB helmet is indexed so it is easy to get to exactly the place you want it whilst still riding. It’s just needs a quick flick of your hand. It’s the same with goggles – sometimes you need them on and sometimes you need somewhere to stow them out of the way. The Flow offers a secure stowage point so there’s no goggle dangling and no interference with your riding.