Helmets: the law, the fakes, and the one to buy

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Every rider at a Saigon junction is wearing one, which makes the rule look settled. Look closer at what is actually on their heads: a cloth-covered shell the thickness of a yoghurt pot, sold for the price of a bowl of pho.
The law here is about wearing a helmet. It is not, in practice, about wearing a helmet that works.
What does the law require?
A helmet on every head on a two-wheeler, fastened, including passengers and including electric bikes.
| What | The rule |
|---|---|
| Who | Rider and every passenger |
| Vehicles | Motorbikes, mopeds, electric bikes |
| Children | Compulsory from age 6 |
| Strap | Must be fastened — an unfastened one is a fine |
| Fine | Modest, issued routinely at checkpoints |
Enforcement is real and visible. Traffic police work fixed junctions, and a foreigner on a rented bike is not a low priority. The motorbiking guide covers the licence question, which is the more expensive one.
Why are the cheap ones useless?
Because they are designed for the fine, not for the crash. A pavement helmet at 100,000 dong is a thin shell over a few millimetres of soft foam, and the strap hardware is the first thing to fail.
The part that matters is the liner. A real helmet has expanded polystyrene 20 to 30 mm thick, which crushes on impact and takes the energy out of it. A fake has a sponge pad that compresses under a thumb and does nothing at speed.
How do you spot a real one?
Pick two up. The difference is obvious in the hand, before any label. The certified helmet is heavier, the shell does not flex, and the liner resists a thumb.
Check the stamp next. Vietnamese helmets carry a CR conformity mark and a manufacturer's label inside the shell. Names worth knowing are Protec, Andes and Royal — all made here, all sold in ordinary shops at ordinary prices.
What should you spend, and where?
Three to eight hundred thousand dong buys a certified open-face helmet from a proper shop. An imported full-face starts around 1.5 million. At about 26,000 dong to the dollar, the certified option is 12 to 30 dollars.
Buy at a helmet shop or a motorbike dealer, of which every town has several. The stalls selling them beside sunglasses and phone cases stock the copies. The shopping guide makes the same point about anything with a brand on it.
What about the helmet the rental gives you?
Assume it is the cheapest one the shop could buy, because it usually is. Rental helmets take a hundred heads a year, live in the sun, and are replaced when they break rather than when they age.
If you are riding for more than a couple of days, buy your own and give it away at the end. A guesthouse or the next renter will take it gladly, and a used helmet is a normal gift here rather than an odd one. It costs less than one night's accommodation, and the scams guide explains the other reason to photograph the bike and its kit before you ride off.
Do the passengers count?
Every one of them, and this is where visitors get caught. A pillion on a motorbike taxi gets a helmet from the driver, and Grab and Xanh SM both carry a spare. Refusing it is a fine for the rider, not for you.
Children need a size that fits. An adult helmet on a small head rotates off in the first tenth of a second. The travelling with kids guide is blunt about what the school-run traffic looks like from the back of a bike.
Is it worth the fuss?
Road deaths here run into the tens of thousands a year, and head injury is what kills riders. Everything else in this article is detail hanging off that number.
The safety guide sets out the honest ranking of risks on a Vietnam trip, and traffic sits at the top of it by a distance. A helmet you chose yourself is the cheapest thing you can do about that.
FAQ
Are helmets compulsory in Vietnam?
Yes, for the rider and every passenger on a motorbike or electric bike, and the police enforce it. The fine is modest but it is issued routinely, and a rental shop's helmet is usually the cheapest one on the market.
Do children have to wear a helmet in Vietnam?
Children from 6 years old must wear a helmet by law, and compliance has risen sharply but is still not universal. Buy a child-sized one rather than putting an adult helmet on a small head, where it does nothing.
What is wrong with the cheap helmets?
Most of the 100,000-dong shells sold on a pavement are fashion items: thin plastic, a few millimetres of foam, and a chin strap that opens on impact. They satisfy the police and not physics.
How do you tell a real helmet from a fake?
Weight, thickness and a stamp. A genuine helmet carries the CR conformity mark with an expanded polystyrene liner you cannot squash with a thumb, and it weighs noticeably more than the copies beside it.
What should you spend?
300,000 to 800,000 dong buys a certified helmet from a real shop, and an imported full-face runs from about 1.5 million. Against a hospital bill in a country where 20,000 or more people die on the roads a year, that is nothing.
Where do you buy a helmet in Vietnam?
A dedicated helmet shop or a motorbike dealer, not a street stall. Chains such as Royal Helmet, Andes and Protec are sold across the country and stock certified models at every price.
Does a helmet affect insurance?
It can. Travel policies that cover motorbike injuries commonly require both a helmet and the correct licence, and an insurer looking for a reason to decline will ask about both.