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For those who do not prefer a deep concave profile
Hand tuned and tank-tested to ensure that world renowned action straight from the box
The use of gears designed using 3-D analysis provides a smooth
The narrower 2
does not include battery pack
Smith Persist 2 MIPS Bike Helmet Size:Medium For those who do notFast paced lunch ride or weekend 60 miler, the Smith Persist road helmet is down for whatever you've got in mind. Designed to feel like it's tailor made for your head, you can fine tune the fit on the fly with an easy to use dial adjuster. When you're sweating it out on the climb, 21 fixed vents and our AirEvac ventilation system keep the air flowing, your head cool and your glasses from fogging. Energy absorbing zonal KOROYD complements Mips Brain
