Troy Lee has done it again! Once again raising the bar, the new for 2017 A2 helmet is redefining mountain bike safety, style, comfort and ventilation. The first helmet in its class to combine EPP (for slow speed impacts) and EPS (for high speed impacts) in a sleek package that will provide riders with more confidence to ride harder and go bigger. Thirteen air intake and exhaust ports force air through the helmet to help keep you cooler and dryer. A 13-position stabilizer basket and fixed side strap anchors provide a comfortable and easily adjustable fit.
Troy Lee Designs A2 MIPS helmet is equipped with the patented MIPS system to reduce the rotational forces to the brain in the case of an oblique impact. Where most helmets are tested for vertical impacts, studies have shown that the human brain is more sensitive to oblique impacts. MIPS technology mimics nature’s own method of reducing forces transferred to the brain in the event of a crash. When subjected to an oblique impact, a membrane between the brain the skull allows the brain to slide along the inner surface of the skull, which ultimately reduces the forces transferred to the brain. MIPS helmets use a low friction layer between the shell and liner to mimic this process, which significantly reduces the forces transferred to the brain.
Polycarbonate shell with aerospace reinforced shell and liner
MIPS brain protection system reduces rotational forces
Dual density impact liner with co-molded EPS and EPP providing safety against multiple impact trajectories
16% extra EPS protection in frontal lobe impact zones
25% increase in air ventilation intake amplifies cooling efficiency
Extra plush comfort liner with hydrolytic foam and X-static for quick moisture wicking performance
Large eyeport accomodates all goggles and glasses
Fixed side strap anchors provides a perfect fit every time
Polycarbonate with Aerospace filament
EPS and EPP foam
CPSC 1203, CE EN 1078, AS NZ 2063:2008
XC, Trail, Enduro
Extra Large/XX Large
Head Circumference (in)
Head Circumference (cm)
7 1/8-7 3/8
How to Measure To find your perfect fit, measure the circumference of your head just above your ears and eyebrows using a cloth tape measure or a piece of string and a ruler. Use the chart above to determine the proper helmet size for you.
I got the red one and it has a great finish. There is sparkle in it. Fit is actually the best I've had. I followed the size chart and it was accurate. Only small issue I had was getting the center screw loose on the visor. Actually had to take the 2 side screws out and slightly turn the visor to get a grip on the center one to break free. The visor was raised fully and I wanted it down more. Not enough to drop a star by any means. Graphics are under the clear coat so I don't see an issue with them coming off. All-in-all, I am please with the helmet. Great looks, airflow, and fits perfect. Highly recommended.
I purchased the blue which has a Matt finish. The helmet is very comfortable. As in a previous review I read the center screw was very tight and it is a little hard to get your fingers on. I have not ridden with it as the temps in New England are a bit chilly for the test. Very pleased with my purchase.
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