A good dirt bike helmet isn’t just an accessory – it’s the one piece of gear that protects your head every single ride. In this guide, I’ll keep things simple and show you what actually matters when choosing a helmet, then share a few beginner-friendly options for US riders and UK riders.
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Why a Proper Dirt Bike Helmet Matters
Off-road riding is unpredictable – loose dirt, hidden ruts, sudden drops, low branches and the odd surprise rock.
A proper dirt bike / motocross helmet is designed for this kind of riding:
- Strong outer shell to help absorb impacts
- Extended chin bar to protect your face
- Large opening so you can wear goggles
- Plenty of ventilation so you don’t overheat on the trails
If you’re coming from the road bike world, don’t rely on an old street helmet for serious off-road use. It’s worth investing in one built for dirt.
Safety Standards in Plain English (US & UK)
You’ll see different letters on helmet labels. Here’s what they mean in simple terms:
- US riders
- Look for DOT on the label as a minimum.
- SNELL or ECE in addition is even better.
- UK riders
- Look for ECE 22.05 or 22.06 approval.
- If you plan to ride organised events or at UK tracks, check if they require an ACU Gold sticker.
Most products I mention here, has the safety standard – always double-check before you buy.
How to Choose the Right Size and Fit
A helmet should feel snug and secure, not loose and wobbly.
- Measure your head
Use a soft tape measure around your head, just above your eyebrows and ears. Compare the measurement with the brand’s size chart. - Check the pressure
The helmet should press evenly all around. No sharp hot-spots on your forehead or sides after a few minutes. - Cheek pads
They should touch your cheeks firmly. They usually bed in slightly as you use the helmet. - Strap and shake test
With the strap done up, gently shake your head up/down and side to side. The helmet should move with your head, not slide around.
My Starter Helmet Picks US & UK
Below are three solid starting points. For each one, I’ll include a link for US riders and UK riders.
1. Bell MX-9 MIPS – Great All-Round Beginner Helmet
A very popular off-road helmet line with added MIPS technology (a slip-plane layer designed to help reduce certain rotational forces in a crash).
Why I like it for beginners:
- Well-known brand with a good reputation
- MIPS version adds an extra safety feature
- Good ventilation for trail and light motocross use
- Removable, washable liner
Recommended for:
New riders who want a strong all-round helmet from a big brand, without going into the highest price brackets straight away.
- Polyester
- Imported
- MIPS — Mips (Multi-directional Impact Protection System) is a leading slip-plane technology inside the helmet designed to help reduce rotational forces that can result from certain impacts.
- 3 SHELL SIZES — Typical offering requires additional padding sizes to accommodate all head sizes.
- IONIC+ PADDING — Quick-drying interior padding helps manage sweat while fighting odor-causing bacteria.
Check Prices:
- 🇺🇸 US riders:
Check Price - 🇬🇧 UK riders:
Check Price
2. O’Neal 2SRS – Best for Budget Riders
The O’Neal 2SRS range is designed as a value motocross helmet – plenty of bold graphics, but still meeting key safety standards.
Good points:
- Often one of the more affordable off-road helmets from a known brand
- ABS shell with multiple vents for airflow
- Removable liner for easy cleaning
- Available in lots of colours and designs
Recommended for:
Riders who are just getting started, on a tighter budget, or looking for a decent spare helmet for friends and family.
- ABS shell construction
- Ultra-plush removable/washable padded liner keeps you cool and dry by wicking away sweat
- Shell weight (size large): 1450grams (±50)
- Multiple air vents help keep you cool and dry
- Meets DOT, ECE 22-05
Check Prices:
- 🇺🇸 US riders:
Check Price - 🇬🇧 UK riders:
Check Price
3. LS2 MX700 Subverter – Comfort-Focused for Longer Rides
The LS2 Subverter is known for its very light feel and huge ventilation, which can make a big difference on longer trail days.
Why it’s worth a look:
- Lightweight KPA shell (LS2’s composite blend)
- Lots of vents to keep air moving through the helmet
- Removable and washable interior
- Aggressive off-road styling if you like something that stands out
Recommended for:
Trail and enduro riders who spend longer hours on the bike and want a light, airy helmet that still offers good protection.
- Responding to customer requests for high end MX and off-road performance at a value price LS2 has applied the latest in technology to revise our popular Subverter
- The new Subverter EVO utilizes Kinetic Polymer Alloy (KPA) offering energy managing flexibility and penetration resistance equal to high end fiber products for the shell
- We have added a high performance multi density EPS for state of the art impact management
- 35 separate air intake ports allow for the absolute maximum ventilation of any MX helmet on the market today
- A wide eye port accommodates virtually any popular goggle
Check Prices:
- 🇺🇸 US riders:
Check Price - 🇬🇧 UK riders:
No products found.
Quick comparison:
Here’s a side-by-side look at my three favourite starter dirt bike helmets before we dive into the details.
Other Gear to Think About
A helmet is only one part of your safety setup. As you build your kit, consider:
- Goggles – to keep dust, mud and stones out of your eyes
- Neck brace – extra protection, especially if you ride faster tracks
- Body armour – chest and back protection, plus elbow and knee guards
- Good boots and gloves – ankle support and better control of the bike
Quick Safety Tips Before You Buy
- Don’t buy used helmets – you can’t see internal damage.
- Replace your helmet after any serious crash, even if it “looks fine”.
- Be cautious of listings that seem far too cheap compared to similar helmets – your head isn’t the place to cut corners.
Ready to Choose?
If you:
- Measure your head
- Check the safety standard
- Decide your budget
…then one of the helmets above is likely to be a good match.
Use the links for your country below to check today’s prices and colour options:
- 🇺🇸 US riders – See dirt bike helmets
- 🇬🇧 UK riders – See dirt bike helmets
Last update on 2026-03-02 / Affiliate links / Images from Amazon Product Advertising API