Best Mountain Bike Helmet With Removable Chin Guard for 2022


Mountain biking is the perfect activity for riders who love to blend the fun of biking with adrenaline, as it entails an unpredictable, passionate, and exhilarating experience.

I’ve observed that mountain bike helmets with removable chin bars seem to have grown in popularity among newbie or intermediate riders who value the importance of extra protection and versatility.

The latest crop of mountain bike helmets with removable chin bars come more refined than their earlier editions.

Although they are suitable for all mountain bike riders, they are especially suitable for racers who may want to alternate their helmet depending on their current race requirements.

MTB rider kicking up some dirt on a country trail
Pickpik.com

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Let’s face it, the best mountain bike helmet is a full-face mtb helmet. And the best full-face mtb helmet is a full-face mtb helmet removable chin guard! Think about it: 2 helmets for the price of one!

JUMP TO :
Removable Chin Bar Helmets
MTB Convertible Helmets Comparison Table
+++1. Bell Super 3R MIPS Adult MTB Helmet
+++2. Bell Super DH MIPS MTB Helmet
+++3. Giro Switchblade MIPS MTB Helmet
+++4. Bell Super Air R MIPS Spherical MTB Helmet
+++5. Leatt MTB 4.0 Enduro V21 Helmet
Frequently Asked Questions

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Removable Chin Bar Helmets

The detachable chin bar is a very handy innovation for any rider who explores variable terrains and conditions.

So, in order not to lumber with a full-face helmet on rides that demand endurance, this type of helmet allows you to remove the chin bar for weight reduction as you climb uphill. Once you’re ready to hit the downhill, you can reattach the chin bar.

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SUGGESTED: Best Mountain Bike Helmets For Big Heads

Here are 5 of the best mountain bike helmets with removable chin guard on the market today.

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MTB Convertible Helmets Comparison Table

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Name / Image Certifications Size Range MIPS # of Vents Weight (approx)
With chinbar Without chinbar
Bell Super 3R
Bell Super 3R MIPS MTB Helmet
CPSC 1203 52 – 62 cm MIPS 23 784 grams
(27.6 oz.)
433 grams
(15.3 oz.)
Bell Super DH
Bell Super DH Spherical Bike Helmet
CPSC 1203
ASTM F1952-DH
ASTM F2032-BMX
CE EN 1078
52 – 62 cm MIPS SP 19 850 grams
(30 oz.)
487 grams
(17 oz.)
Giro Switchblade
Giro Switchblade MIPS MTB Helmet
CPSC 1203
ASTM F1952-DH
CE EN 1078
52 – 62.5 cm MIPS 20 980 grams
(34.5 oz.)
692 grams
(24.5 oz.)
Bell Super Air R
Bell Super Air R Mips Helmet
CPSC 1203
CE EN 1078
52 – 62 cm MIPS SP 18 640 grams
(22.5 oz.)
422 grams
(14.9 oz.)
Leatt MTB Enduro 4.0
Leatt MTB Enduro 4.0 Helmet
ASTM F1952
CPSC 1203
CE EN1078
AS/NZS 2063
51 – 63 cm 360° Turbine 18 From 810grams
(28.6 oz.)
From 460grams
(16.2 oz.)

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RELATED: Best Downhill Mountain Bike Helmets in 2022


1. Bell Super 3R MIPS Adult MTB Helmet

The Bell Super 3R MIPS Adult MTB Helmet is known for piloting the emergence of the current generation of removable chin bar technology.

I actually began my love of detachable chin bar helmets with the Bell 2R way before it got an upgrade in 2017, which focused on improved fit.

Bell Super 3R is a perfect upgrade from Bell 2R. Bell removed and reconfigured certain areas of the interior padding to solve the problem and remade a Super 3R with an added Float Fit retention system.

Another important element was the incorporation of the MIPS slip-plane safety technology.

Bell Super 3R MIPS MTB Helmet

The Bell Super 3R MIPS Adult MTB Helmet is available from Al’s Sporting Goods. (See link below for other sources).

What does the Bell Super 3R MIPS MTB helmet have to offer?

There are multiple reasons to make the Bell Super 3R your go-to choice, and it’s not just because your protection is number one, even though Bell ensured that this model is MIPS-equipped so that you can benefit from optimal protection.

MIPS is short for Multi-directional Impact Protection System and it describes the cutting-edge slip-plane technology built into the interior of the helmet. Its function is to reduce rotational forces that can come from certain impacts during accidents.

No-Twist Tri-glides: You also get quick-adjustable fasteners that help the straps to stay in position.

There are X-static and Xt2 padding that are composed of quick-drying material plus original silver fibers that help inhibit bacterial and fungal growth that can initiate bad odor inside the highly durable and sturdy polycarbonate shell.

Overbrow Ventilation: I’ve always been impressed by the ventilation ports the helmet offers on its brow for cool air intake. They push the air through the air-channel matrix so that riders get full-head ventilation.

With 23 vents, 4 brow ports, and 6 chin bar vents, wearing the super 3R keeps you in rare freshness all the time.

With 6 color choices, three sizes, alongside safety certification for standard bicycle use it’s hard to go past this MTB helmet. At a price ranging between USD220 – USD230, I think you’re onto a worthy investment while also having your safety guaranteed.

Pros:

  • Full ventilation
  • Easily removable chin bar
  • MIPS incorporated
  • Breakaway camera mount
  • Smooth integration with goggles
  • Adjustable visor
  • Adequate vision
  • Great variety of color choices

Cons:

  • Not downhill certified
  • Should have a place to carry chin bar when unused

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RELATED: Bell Helmet Size Chart
IMPORTANT: How to Know Your Helmet Size

Bell Super 3r MIPS Review 2018 – Awesome Helmet

Courtesy Mike’s MTB Adventures on Youtube.

2. Bell Super DH MIPS MTB Helmet

After upgrading the Bell 2R to the Super 3R in 2017, Bell went further to build the Super DH in 2018. The Super DH is among the comfiest MTB helmets I’ve worn on long-distance rides. It is essentially a beefier version of the Super 3R.

The Super DH is BMX and DH-certified. It seems more comfortable for enduro racers, any uphill and downhill riders or those seeking to make a single helmet trip involving both bike park and singletrack so as to save space in their duffel bag.

Bell Super DH Spherical Bike Helmet

The Bell Super DH MIPS MTB Helmet is available from Al’s Sporting Goods. (See link below for other sources).

What does the Bell Super DH MIPS MTB Helmet have to offer?

First off, this convertible lid is not only comfy but built solidly with a fusion in-mold polycarbonate shell, plus progressive layering to protect you and have you feel amazing every time.

The Super DH is the first of Bell’s convertible mtb helmets with the ASTM F1952 downhill standard for full-face mode riding. It’s pretty much like the brand’s Full-9 helmet, used widely in the World Cup ranks.

One other unique thing I personally appreciate about this model is that you can remove and fit its chin bar without having to take it off.

Besides that, the lightweight Super DH includes a new in-built MIPS Spherical system that protects your head against any impact resulting from rotational forces upon impact. That’s why its low-density EPP foam is placed in the inner shell inside its main EPS foam shell and then fixed to cover the interior of the helmet’s polycarbonate outer shell.

How good is the ventilation?

Combining the light weight, 19 vents with deep internal channeling, and two brow ports, the Super DH turns quite airy when worn with no chin bar in place.

However, with or without the chin bar on, users of this helmet, experience great airflow. With four mesh-free vents built on the chin bar, breathing remains seamless throughout even on your wildest riding adventures.

The helmet goes for between USD300 and USD330 which is pretty good value for its versatility, not to mention that it’s almost as if you’re buying 2 helmets in one.

Pros:

  • Easy to move
  • Wicks sweat well
  • Polycarbonate outer shell
  • Easily removed/re-attached chin bar
  • Awesome ventilation
  • Lightweight
  • ASTM F1952 (DH) & ASTM F2032 (BMX)) certified

Cons:

  • Easily twisted straps

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RELATED: Bell Helmet Size Chart
IMPORTANT: How to Know Your Helmet Size

Two Helmets in One – Bryn Atkinson Unleashes the New Bell Super DH

Courtesy Vital MTB on Youtube.

3. Giro Switchblade MIPS MTB Helmet

The Giro Switchblade MIPS MTB helmet is an ASTM DH-certified helmet with removable chin-bar. From all the tests we ran on the GIRO Switchblade as well as vetting user reviews, there’s no doubt it’s an excellent choice for any rider.

Although I found it felt hotter with the chin bar removed, particularly whilst idle, it was fine when mobile again and not so uncomfortable as to be irritating or annoying. I would certainly be comfortable wearing it for aggressive downhill rides.

Giro Switchblade MIPS MTB Helmet

The Giro Switchblade MIPS MTB Helmet is available from Al’s Sporting Goods. (See link below for other sources).

What does the Giro Switchblade MIPS MTB Helmet have to offer?

We always put your protection first and we wasted no time in considering the Switchblade an extremely unique and heavy-duty convertible MTB helmet.

It comprises a MIPS system for smart head protection which means it has you covered when it comes to aggressive and safe riding.

No wonder it features pads with layers of material underneath and on top of the helmet’s foam, all designed to move slightly during any angled impact, limiting rotational forces on the brain.

The Giro Switchblade is ASTM DH 1952, EN1078, and CPSC certified and it’s applicable when in full-face or half-shell modes.

With the Switchblade, you can get good ventilation in each setting. But there needs to be improvement when it comes to the airflow you get in the half-shell mode.

It allows you to breathe much better than with non-convertible helmets with over-the-ear extensions and a high-cheek zone that reduces airflow. When set at full-face setting, speeding down the trail comes with impressive airflow and that’s important.

The visor of the Switchblade is pretty solid and works excellently in full-face mode though it always looks a little weird when pointed towards the sky.

The box includes a spare visor that features a camera mount. In terms of pricing, it sells from between USD250 and USD270 which is more than reasonable.

Pros:

  • Great fit system
  • Easily switchable between full and half-shell configurations
  • Awesome ventilation for the category
  • Additional coverage in half-shell mode
  • Fully downhill certified

Cons:

  • Thick chin strap which builds up heat
  • Hotter and heavier without the chin bar

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RELATED: Giro Helmet Size Chart
IMPORTANT: How to Know Your Helmet Size

Giro Switchblade Review

Courtesy Mark Jones on Youtube.

4. Bell Super Air R MIPS Spherical MTB Helmet

The team at Bell continues on their quest to continually improve removable chin bar technology by bringing us the Bell Super Air R MIPS Spherical Helmet.

With safety at the forefront, the Super Air R has been built with Bell’s patented Spherical Technology by layering both EPP (Expanded Polypropylene) foam and EPS (Expanded Polystyrene) foam inside the shell to add a ‘ball and socket’ effect to the existing MIPS brain protection system. Brilliant and effective.

Bell Super Air R Mips Helmet

The Bell Super Air R MIPS Spherical MTB Helmet is available from Al’s Sporting Goods. (See link below for other sources).

What does the Bell Super Air R MIPS MTB Helmet have to offer?

First and foremost, the Super Air R is a lightweight convertible mtb helmet that is extremely comfortable.

It’s a new model helmet that has been inspired by its predecessors and designed to assist you to transition from full-face shred while riding downhill to an open-face design as you traverse to the next stage all with the same helmet.

When it comes to your safety, Bell’s fusion in-mold process for bonding the outer polycarbonate shell with the inner EPS foam liner, along with the progressive layering of variable EPS foam densities makes this helmet particularly durable adding further to your protection.

The wraparound chin bar is easily removed with 2 clicks making it the ultimate convertible mountain bike helmet for serious trail riders.

Being 22% lighter than its predecessor, the Bell Super 3R, you won’t even notice that you’re wearing a helmet at all. But, don’t be fooled by its light weight though, it is fully CPSC 1203 and CE-EN 1078 compliant.

The Float-Fit dial at the rear of the helmet, which integrates with MIPS, makes it easy to adjust the helmet to perfectly fit your head size and shape without undue pressure.

The visor is adjustable and has three positions which it can easily click into by pushing upwards or downwards as necessary.

Just like me, you too will appreciate the excellent breathable, moisture-wicking X-static padding, woven with real silver fibers that help inhibit bacterial and fungal growth in your helmet’s interior.

And who wouldn’t be excited having eighteen strategically placed vents in the main body of the helmet plus four brow ports, as well as an additional eight vents in the removable chin bar to provide superior ventilation for the hottest of rides.

What’s not to like about this well-ventilated, lightweight convertible mtb helmet from one of the leaders in removable chin bar technology. Available in 8 colors and 3 sizes with prices ranging around USD270 to USD280. Definitely worthy of your consideration.

Pros:

  • MIPS Spherical
  • Extremely lightweight
  • Excellent ventilation
  • Adjustable visor
  • 2 click removable chin bar
  • Compatible with googles
  • Comes with replacement pads
  • Breakaway camera mount
  • Very comfortable

Cons:

  • Not downhill certified
  • Short visor

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RELATED: Bell Helmet Size Chart
IMPORTANT: How to Know Your Helmet Size

Courtesy BellBikeHelmets on Youtube.

5. Leatt MTB 4.0 Enduro V21 Helmet

Leatt may not be as well known to newbie mountain bikers as Bell and Giro, but believe me, Leatt is huge and make top-quality gear including MTB helmets with a removable chin guard.

Leatt has been in the removable chin bar market since around 2016 when they released their DBX 3.0 Enduro removable chin bar helmet. Fast-forward to 2021 and we have the Leatt MTB 4.0 Enduro V21 Helmet which is equally on par with Bell’s Super series as well as the Giro Switchblade.

This ASTM-F1952 Downhill certified helmet also carries the usual CPSC 1203, EN1078, and AS/NZS 2063 certifications so you are totally covered safety-wise. Not only that it also includes Leatt’s 360° Turbine Technology which has you covered against rotational impacts (like MIPS and WaveCel).

Leatt MTB Enduro 4.0 Helmet

The Leatt MTB 4.0 Enduro V21 Helmet is available from Moosejaw. (See link below for other sources).

What does the Leatt MTB 4.0 Enduro V21 Helmet have to offer?

The sturdy, lightweight polymer shell offers awesome comfort and ventilation. Naturally, the chin bar can be removed for the hard slog uphill, but the ventilation is enhanced by its 18 air vents along with a removable mouthpiece at the front of the chin bar. Breathe easy.

The removable chin guard has an improved, easy-fit magnesium locking system making the change from full-face to open-face a breeze. The helmet is also compatible with Leatt’s world-famous neck brace (sold separately).

Whether you choose to wear goggles or sunglasses, you will find the Leatt MTB 4.0 compatible with your choice of eye cover. Your sunglasses are easily docked under the visor within reach whenever you need them. If goggles are your choice, then the adjustable visor has room for you to slide your goggles up without needing to completely remove them.

The inner liner is moisture-wicking, breathable, anti-odor, and washable. The chinstrap sports the popular Fidlock buckle system so that your helmet stays put on your head.

Priced around the 300USD mark and feature-packed, the Leatt MTB 4.0 helmet will clearly challenge Bell’s domination of the removable chin guard helmet market.

Pros

  • Downhill certified
  • Well ventilated
  • Reasonably lightweight
  • Pads wick sweat well
  • Breakaway visor
  • Compatible with goggles or sunnies
  • Reasonable price
  • Good visor adjustment
  • Great magnetic strap and buckle mechanism

Cons

  • Chin bar removal takes some getting used to

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RELATED: Leatt Helmet Size Chart
IMPORTANT: How to Know Your Helmet Size

Courtesy OfficialLeatt on Youtube.

Frequently Asked Questions

Q. Why do mountain bikers wear full-face helmets?

A. When riders first start mountain biking, they will usually wear a regular open-face mountain bike helmet while they get the feel of the sport. As they progress to more difficult trails, the terrain can become more challenging and they will try to ride faster. It is at this point that many riders start to consider the extra protection of a full-face helmet.

If the riders progress to timed enduro biking, or full-on downhill mountain biking they will more often than not start to wear a full-face or convertible MTB helmet, though some may continue with an open face MTB helmet.

Q. What does downhill certified mean?

A. Downhill certified means that a mountain biking helmet is in compliance with ASTM F1952 (Standard Specification for Helmets Used for Downhill Mountain Bicycle Racing).

ASTM F1952 involves more rigorous testing compared to the regular bicycle CPSC 1203 certification, as mountain bike riders may negotiate steep, rocky inclines with jumps, trees, and other obstacles along the way. ASTM F1952 tests for greater impact resistance, energy absorption, and retention testing.

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