Rotational forces in crashes create twisting energy that increases brain injury risk, so helmets with MIPS-style low-friction layers reduce that rotational force. Proper helmet fit is essential: level on the head, front edge about two fingers above the eyebrows, Y-straps meet below the ear lobes, chin strap with one or two fingers of slack, and the retention dial tightened until snug without hot spots. Recommended helmets at different price points include Giro Fixture II MIPS, Smith Signal MIPS, and Giro Syntax MIPS. Replace any helmet after a crash or every 5–7 years as foam and plastics age. Seniors should prioritize better protection due to brittle bones and slower reflexes.
Quick Answer: Don't cheap out on your helmet. Pay the extra $25-$30 for a model with rotational protection (MIPS or equivalent). If your head ever hits the pavement, that's the upgrade you'll be grateful for.
Why MIPS (or similar) isn't optional Crash energy doesn't just hit straight on-it twists. That rotational force is what MIPS-type systems are designed to reduce. I've ridden long enough to see the aftermath of head knocks. When it's your brain on the line, the "extra" money isn't extra-it's insurance.
How to know your helmet actually fits Level on your head-not tipped back. The front edge should sit about two fingers above your eyebrows. Tighten the dial until snug: firm, no hot spots, no wobble when you shake your head. Y-straps meet just below the ear lobes. Chin strap: one or two fingers of slack, no more.
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