Helmet for a four year old

Why not get a full face downhill mtb helmet? They are smaller, lighter and provide enough protection for the speeds she will probably be going while riding a Stacyc.

They will grow out of it so fast.  EVS makes a good helmet that won’t cost a ton.  For size and speed of a stacyc I think it is more than enough.  Measure her head and see if this might work.

https://www.motosport.com/evs-t5-helmet-grappler

 Make sure you put “BLOGFREE” in the promo code or it will charge you for shipping.

Or maybe

https://www.motosport.com/evs-t5-pinner-helmet?variant=EVS005F-X001-Y001

I'm sorry but that is an horrible option. I googled and the helmet weighs 1580g, that is a freaking tank even for an adult. 

As someone already mentioned. Get a full-face MTB helmet because it will be well under 1kg and be protective enough for a kid. 

I got the Bell Sanction helmet for my daughter as it is full face protection and only weighs 850grams!

Kids have odd shaped heads, you will need to find a shop to try them on in person. 

Also, I hear your concerns, but bike helmets are legit at that stage. The speeds are slow, their necks are not strong. Well fitting, and light are priority 1A and 1B

Go find a good shop and try helmets on.  Most manufacturers have fewer helmet shell sizes than helmet sizes.  To limit the bobble head factor you want one where the helmet size is the biggest in a given shell, but fit is still the most important factor.

Weight is a big deal as well.  The scaling for kids is wild.  A 3lbs lid on a 30lbs kid is like me wearing a 20lbs helmet.  

Fwiw my kids have usually found Fly Formula Carbon helmets to fit particularly well.  It's a nice light lid as well so is usually what we go with.  

I was in this predicament for the past while. I have 3.5 year old twins and they both have different size heads. We started with the typical kids bicycle helmets on the 12” stacycs and we’re now onto PW’s and the electric husky e2 with full face helmets. Earlier this summer I looked at just about every kids full face mountain bike helmet and kids motocross helmet available. Lightest mtb full face helmet I could find was around 850g’s, lightest mx helmet I found (with accurate info) was 1080g’s, the newest version of the fox V1. Went with the fox v1 for weight, mips, and price. We got an YM and a YL. I measured both heads and felt the size was accurate according to the measurements I took. The helmet shell size is the same on both helmets. Neither complain about size or hurting their head, just difficulty getting them off themselves. They may only last about a year but I’d rather the helmet fit properly and work then be a oversized bowling ball and hurt their neck or not properly protect their head. Good luck!

Like others have said, look into a downhill MTB helmet. They're light, provide plenty of protection, and cheaper in comparison to mx helmets. My son has the Fly Rayce and my daughter a 100% status helmet.  I got the 100% helmet during their moving sale and it was only like $60 and it does everything we need it to. 

And yes, a newer MTB helmet will have plenty of protection for the slower speeds she'll be going. The main safety bonus with going this route is that the helmets are light enough for the kids to wear without it dragging their body around. It makes a huge difference when they're learning the basics. 

We bought our grandson a MTB helmet at the same time we bought a staycic. It is both full face and traditional (2 piece). He did not want to wear it. We started with open face and close supervision to get him acclimated. He now will wear the mouth guard (after seeing his Grand Dad’s 6D—lol). Runs around the house yelling, “fast is FUN!” Man, enjoy your time with your kids—you are doing it right! 

I’m going to echo what others have said, get a mountain bike helmet. That’s what I did for my kids at that age. 

I’ve found that Downhill helmets are the safest way to go for little kids…especially the really small ones that really don’t need the weight/mass of a Moto helmet snapping their head back and forth during acceleration and deceleration. 

I learned this years ago when the problem was even worse than it is today. Back when the 1st KTM 50 “Adventure” was avail…the helmets for little kids were massive and HEAVY. My nephew was 4…a small 4 y/o…and I put a really good Moto helmet on him and it whipped his head around... a lot. That was a definite’”Oh, Hell NO!” 🤣

I went with a really good std bicycle helmet for simple riding like “barrel riding”(figure 8 around barrels or trees) or our little “Mini TT” track…and within a few weeks I found a full face downhill helmet. It was made well & weighed a fraction of Moto helmet. At the time I put him in Dragon kids goggles, too. Finding goggles that fit their little faces is also a challenge sometimes, too. 

Good luck! 

I think it’s naive to think that mtb helmets haven’t evolved when every other helmet manufactured in recent times has. Shell construction, fit and safety features have come so far. I wouldn’t hesitate to put jr in one until they were large enough or fast enough to warrant a true mx helmet.

It’s seriously worth considering but I think you’ve made your decision with the Fox lid so go for it. 

We run the Fly Rayce as well. The weight savings is well worth it in my opinion. 

My kids run the Kali Maya full face with removable chin bar.  I think these are far safer than a heavy mx helmet on a stacyc. 

Many Youth MX helmets have a single shell size.  6D uses a single shell and 2 EPS and it is one of the more expensive kids helmets I know of. I think the downhill MTB  helmet idea might be the way to go.  To keep it as light and safe as possible.

I would also recommend going to a local shop and trying on helmets .  The fit across brands  will vary because of the different head shapes.  Even vary from a MTB to MX helmet .    Having some real world idea of how different helmets fit could help make it easier  for online recommendations too.  Coming back on here and saying what fit and what did not fit, could help others who have gone through the same thing. If trying on a few helmet's doesn't answer Your question.  

One Pro with many youth helmets sharing shell and EPS sizes is that You may be able to keep the helmet longer . If Your kid is growing fast  You could buy the next size liner instead of an entire helmet. Assuming that the helmet is still in good shape.   Sometimes You can mix the liner pieces to finetune the fit too.  Shoei is one of the brands that has, at least in the past said to do this  to help get the best fit. I have not sold them for a few years now. So that may have changed. And might not be a good idea to do with some helmets.