ECE 22.05 vs. 22.06: Is the Discount on Old Stock Worth the Safety Trade-Off?
A buyer's guide for riders considering discounted ECE 22.05 helmets, explaining what changed in the 22.06 standard, what was actually improved, and whether the savings justify the older certification.
What Changed Between ECE 22.05 and 22.06
ECE 22.06 replaced 22.05 as the European helmet standard in 2022. The new rule keeps the old tests and adds harder ones: more impact points, higher energy at some test sites, and a new rotational acceleration pass/fail line. For a primer on what each certification actually tests and how ECE compares to DOT or Snell, see the Helmet Certifications Explained guide.
The impact-zone change is the easiest to understand. ECE 22.05 tested the shell at a handful of fixed points, mostly across the crown and sides. ECE 22.06 spreads those test points across more of the shell, including zones that used to go unchallenged. Several of those new sites also run at higher impact energy, which means the EPS liner has to absorb more force before it bottoms out.
The bigger change is rotational force. ECE 22.05 only measured linear acceleration, the straight-ahead force of a head-on hit. ECE 22.06 adds a rotational acceleration test, which flags helmets that let the head whip sideways through the foam on an angled impact. That gap between straight-line testing and real-world crashes is what the new standard was built to close. A 22.06 helmet has cleared a tougher, more complete bar; the next sections break down what 22.06 specifically improves, what 22.05 still covers, and when a discount is actually worth taking.
Tip: Check the certification label on the chin strap or the back of the shell before you buy. The label prints the exact standard the helmet was tested to, so there's no guessing which version you're getting.
What 22.06 Actually Improves
ECE 22.06 raises the bar in three specific ways that matter on the road. None of these are marketing fluff — they're test changes that close real gaps in the old standard.
More impact test points on the shell. Under 22.05, labs dropped the helmet onto an anvil at a handful of defined spots. 22.06 adds more strike zones across the shell, including areas that were previously untested. A hit to one of those new zones now has to pass the same energy-absorption threshold.
What this means for you: A glancing strike to the side or rear of the helmet — exactly where most real-world crashes land — is now part of the certification, not an afterthought.
A rotational acceleration limit. Linear impact tests measure how well a helmet absorbs a straight-on blow. They say nothing about the twisting forces that actually drive many brain injuries. 22.06 adds a rotational acceleration test designed to flag lids that handle linear energy well but let the head spin too freely inside the shell.
What this means for you: This is the upgrade most directly tied to concussion and diffuse brain injury risk — the mechanism 22.05 was effectively blind to.
Stricter visor and modular chin-bar rules. 22.06 tightens requirements for visor lock strength, penetration resistance, and — for modular helmets — chin-bar integrity under impact. A visor that pops open or a chin bar that flexes in a crash can turn a survivable hit into a facial or jaw injury.
What this means for you: If you ride a modular or rely on a drop-down sun visor, the new standard is meaningfully harder to pass on those parts alone.
Tip: When comparing two helmets at the same price, check the certification sticker first — if one is 22.06 and the other is 22.05, the 22.06 lid has cleared a tougher bar on all three of the above.
What 22.05 Still Does Well
ECE 22.05 was the European helmet benchmark for roughly twenty years. It earned that status by doing the basics right. The standard tests linear impact absorption across the main helmet zone, requires a chin bar strong enough for a defined impact load, and sets minimums for shell integrity, strap retention, and visor clarity. A helmet that passed 22.05 in 2002 met a real bar, and that bar is not trivial.
A well-made 22.05 helmet from a reputable brand is not a costume prop. It is a tested, certified, legal piece of protective gear. In every market that accepts ECE marking, a 22.05 sticker is still valid. Riders in the EU, the UK, Australia, Japan, and most of the rest of the world can legally wear one today without issue.
The gap between 22.05 and 22.06 is in test coverage, not in baseline shell integrity. 22.05 already required the helmet to absorb a linear impact without transmitting a peak acceleration above a defined limit. It required the chin bar to pass a separate impact test. It required the strap to hold a defined load. Those fundamentals have not changed. What changed is how many zones get hit, and whether rotational force gets measured at all.
That distinction matters for the rest of this analysis. The trade-off on a discounted 22.05 helmet is not "safe helmet vs unsafe helmet." The trade-off is between a helmet that meets a narrower, older test and one that meets a wider, newer one. Both pass. One covers more ground.
If you are eyeing a discounted 22.05 helmet from a brand you trust, the standard itself is not the reason to walk away. Build quality, condition, fit, and your riding style are. A 22.05 helmet that fits your head, has no damage, and comes from a maker with a real quality program will protect you against the kinds of impacts it was designed for.
Tip: Check the manufacture date stamped on the EPS liner or chin strap before you weigh the discount. EPS foam and adhesives break down with age, and a 22.05 helmet from 2010 is a different purchase than one from 2022.
When a Discounted 22.05 Helmet Is Worth Buying
A discounted 22.05 helmet is not automatically a bad buy, but the discount has to clear a real bar before the older certification makes sense. You are accepting a helmet built to a standard that is roughly two decades old, and the newer 22.06 rule specifically addressed impact zones and forces 22.05 did not measure. That costs you something, even when the helmet itself is solid gear.
Here is the decision rule. A discounted 22.05 helmet is a reasonable buy when all four of these are true:
The discount is meaningful. At least 30% off the current 22.06 equivalent in the same brand and model line. Below that, you are paying near-full price for an older certification with no real upside.
The brand has a real track record under 22.05. Stick with manufacturers who built their reputation on the old standard, such as Shoei, Arai, AGV, Schuberth, ScorpionEXO, and HJC. A no-name brand offering a steep discount is a red flag, not a deal.
The helmet is new, unused, and within its service life. Check the manufacture date stamped inside the helmet, not the purchase date. Most manufacturers recommend replacement 5 to 7 years from manufacture, regardless of visible wear. A 22.05 helmet that has been sitting in a warehouse for four years has less usable life than the box suggests. If you need to verify condition, see our guide on inspecting a helmet for hidden damage.
Your riding is street, commuting, or touring, not track. The rotational acceleration limit in 22.06 matters most in high-speed, high-energy impacts, the kind that happen on a circuit. On public roads, where most crashes are lower-speed and more linear, 22.05's impact absorption testing still does meaningful work.
If the discount is 30%+ off, the brand is reputable, the helmet is fresh stock, and you ride on the street, buy it. If any of those four conditions fail, skip the deal and save up for a 22.06 helmet.
One quick tip before you pay: ask the retailer to confirm the manufacture date in writing. A 22.05 helmet made in 2026 is a fair buy; one made in 2019 is already past halfway through its service life.