11 Best Mountain Bike Helmets With Removable Chin Bars for 2026
You want maximum protection and adaptability on the trail, and helmets like the ILM HT58, Leatt 3.0 and 4.0 Enduro, and Bell Super DH and 3R MIPS deliver with secure, removable chin bars. These top 2026 models offer smart ventilation, lightweight builds, and certified safety in both open and full-face modes.
You stay cool on climbs and protected during descents. There’s more to explore about what makes each one stand out.
Quick Overview
- Helmets like the Bell Super 3R MIPS offer tool-free removable chin bars for quick switching between full-face and open-face use.
- Look for dual certifications (CPSC, ASTM) ensuring safety in both configurations, as chin bar removal can affect protection standards.
- Models such as the Leatt MTB 3.0 Enduro use 360° Turbine Technology for impact protection across all riding modes.
- Opt for helmets with overbrow ventilation and 18+ vents to maintain airflow when the chin bar is attached or removed.
- Secure attachment systems like Bell’s Float Fit DH and Fidlock buckles ensure stable fit whether in full-face or open-face mode.
| ILM Full Face Mountain Bike Helmet (HT58) |  | Best Budget Full-Face | Chin Bar Type: Fixed full-face with EPP-reinforced chin bar | Ventilation: Multiple air vents | Fit System: Adjustable buckle and size adjuster | VIEW LATEST PRICE | Read Our Analysis |
| Leatt MTB 3.0 Enduro Mountain Bike Helmet |  | Most Adaptable Design | Chin Bar Type: Removable chin bar (3-in-1 system) | Ventilation: 20 vents | Fit System: Fidlock magnetic buckle | VIEW LATEST PRICE | Read Our Analysis |
| Bell Super DH MIPS |  | Professional Grade Protection | Chin Bar Type: Removable chin bar (no tools) | Ventilation: 19 vents, 2 brow ports, 4 chin bar vents | Fit System: Float Fit DH with Fidlock buckle | VIEW LATEST PRICE | Read Our Analysis |
| Leatt Helmet Mountain Bike Enduro 4.0 |  | Lightweight Innovation | Chin Bar Type: Removable chin bar | Ventilation: Not specified | Fit System: Fidlock magnetic closure | VIEW LATEST PRICE | Read Our Analysis |
| Bell Super 3R MIPS |  | Best Trail Versatility | Chin Bar Type: Removable protective chin bar | Ventilation: Overbrow ventilation | Fit System: Float Fit with Fidlock buckle | VIEW LATEST PRICE | Read Our Analysis |
| Leatt Helmet Mountain Bike Enduro 2.0 |  | Top Safety Tech | Chin Bar Type: Removable chin bar (push-button) | Ventilation: 20 vents | Fit System: Fidlock magnetic buckle | VIEW LATEST PRICE | Read Our Analysis |
| ILM Full Face Mountain Bike Helmet (ZL-B068) |  | Value Performance Pick | Chin Bar Type: Fixed full-face with EPP foam chin bar | Ventilation: Multiple air vents | Fit System: Adjustable size system | VIEW LATEST PRICE | Read Our Analysis |
| Bell Super DH MIPS |  | Premium Protection Standard | Chin Bar Type: Removable chin bar (no tools) | Ventilation: 19 vents, 2 brow ports, 4 chin bar vents | Fit System: Float Fit DH with Fidlock buckle | VIEW LATEST PRICE | Read Our Analysis |
| Lixada Full Face Cycling Helmet with Chin Guard |  | Budget-Friendly Adaptability | Chin Bar Type: Removable chin guard | Ventilation: 18 vents | Fit System: Dial system (54–61 cm) | VIEW LATEST PRICE | Read Our Analysis |
| Adult Full Face Mountain Bike Helmet |  | Heavy-Duty Build | Chin Bar Type: Fixed chin guard | Ventilation: 23 large vents | Fit System: Adjustable dial system | VIEW LATEST PRICE | Read Our Analysis |
| Bell Super Air R MIPS |  | Best Ventilation System | Chin Bar Type: Removable protective chin bar | Ventilation: 18 vents, 4 brow ports, 8 chin bar vents | Fit System: Float Fit with Fidlock buckle | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
ILM Full Face Mountain Bike Helmet (HT58)
Looking for a helmet that balances full-face protection with the flexibility to ride open-faced when the trail eases up? The ILM HT58 gives you both.
You get full-face coverage with an extended, EPP-reinforced chin bar that absorbs impacts well and meets ASTM F1447 and CPSC standards. You can adjust the visor and snug the fit with the buckle and size adjuster for stability.
The removable, washable liner keeps things fresh. You stay cool thanks to smart venting, and the included goggles with soft foam padding boost comfort.
You’re set for MTB or BMX, ready for changing light and terrain without skipping a beat.- Chin Bar Type:Fixed full-face with EPP-reinforced chin bar
- Ventilation:Multiple air vents
- Fit System:Adjustable buckle and size adjuster
- Shell Material:Black EPS foam shell
- Liner Type:Removable, washable liner
- Certification:ASTM F1447, CPSC Adult
- Additional Feature:Included goggles
- Additional Feature:Adjustable visor
- Additional Feature:EPP-reinforced chin bar
Leatt MTB 3.0 Enduro Mountain Bike Helmet
The Leatt MTB 3.0 Enduro Mountain Bike Helmet is your top pick if you demand versatility without sacrificing protection. You get a 3-in-1 design: remove the chin bar for climbs, clip it on for downhill runs, or swap in over-the-ear guards for 3/4 coverage.
Its 360° Turbine Technology cuts impact forces, keeping your head safer. Weighing just 350 grams, it’s light but tough.
You’ll appreciate the adaptability across terrain and riding styles. With a creamy white finish and a solid 4.7-star rating from riders, it’s proven in the wild.
You stay protected, comfortable, and ready for anything—from steep descents to long hauls up.- Chin Bar Type:Removable chin bar (3-in-1 system)
- Ventilation:20 vents
- Fit System:Fidlock magnetic buckle
- Shell Material:Lightweight polymer shell
- Liner Type:Breathable liner
- Certification:Not specified
- Additional Feature:3-in-1 design
- Additional Feature:360° Turbine Technology
- Additional Feature:Over-the-ear guards option
Bell Super DH MIPS
Who says full-face protection has to mean overheating on climbs? The Bell Super DH MIPS keeps you cool with overbrow ventilation and 19 vents, plus an air-channel matrix for airflow.
You get solid protection from its fusion-molded shell and Flex Spherical with MIPS, plus a removable chin bar—no tools needed. Just remember to check the manual and fit it right.
The Float Fit DH system with Fidlock buckle gives a secure, adjustable fit, while X-STATIC padding wicks sweat and fights odor. It’s comfortable, compatible with goggles, and even has a breakaway camera mount.
Weighing about 1.54 kg, it’s proven—riders rate it 4.6/5. You’ll ride safer, cooler, and confident.- Chin Bar Type:Removable chin bar (no tools)
- Ventilation:19 vents, 2 brow ports, 4 chin bar vents
- Fit System:Float Fit DH with Fidlock buckle
- Shell Material:Polycarbonate shell
- Liner Type:X-Static and XT2 padding
- Certification:MIPS-equipped (implied CPSC/CE via market)
- Additional Feature:Breakaway camera mount
- Additional Feature:Flex Spherical + MIPS
- Additional Feature:Overbrow ventilation
Leatt Helmet Mountain Bike Enduro 4.0
Need a helmet that keeps up when the trail turns brutal but won’t weigh you down on the climb? The Leatt Helmet Mountain Bike Enduro 4.0 has you covered.
It’s DH certified with a lightweight polymer shell, so you get top protection without the bulk. You’ll love the removable chin bar and the new easy-fit attachment system—switching between trail and downhill mode is quick and secure.
Store your sunglasses in the dock port when you’re not using them. The Fidlock magnetic closure makes strapping in a breeze.
Inside, the moisture-wicking, anti-odor, washable liner keeps you comfy and fresh mile after mile.- Chin Bar Type:Removable chin bar
- Ventilation:Not specified
- Fit System:Fidlock magnetic closure
- Shell Material:Lightweight polymer shell
- Liner Type:Moisture-wicking, washable liner
- Certification:DH certified
- Additional Feature:Sunglasses dock port
- Additional Feature:Fidlock magnetic closure
- Additional Feature:Easy-fit attachment system
Bell Super 3R MIPS
Want a helmet that keeps up when the trail turns rough but still lets you ride light on climbs? The Bell Super 3R MIPS has your back.
You get MIPS protection to reduce rotational forces, and the removable chin bar clicks on in seconds—no tools needed. Overbrow Ventilation keeps airflow steady, while the No-Twist Tri-Glides and X-Static padding ensure snug, sweat-wicking comfort.
You can mount a camera on the breakaway base, and the GoggleGuide visor adjusts seamlessly whether you’re wearing glasses or goggles. It’s built for real trail riding: adaptable, vented, and secure.
Sizes S–L cover most heads—just double-check your fit.- Chin Bar Type:Removable protective chin bar
- Ventilation:Overbrow ventilation
- Fit System:Float Fit with Fidlock buckle
- Shell Material:Polycarbonate shell
- Liner Type:X-Static and XT2 padding
- Certification:MIPS-equipped
- Additional Feature:No-Twist Tri-Glides
- Additional Feature:Sweat Guide pads
- Additional Feature:GoggleGuide adjustable visor
Leatt Helmet Mountain Bike Enduro 2.0
Looking for a helmet that adapts to both trail rides and aggressive enduro runs? The Leatt Helmet Mountain Bike Enduro 2.0’s got you covered with its removable chin bar and push-button attachment system.
You get a lightweight, versatile half-shell design that transforms when needed. Its 3-in-1 safety system uses 360 Turbine Technology and impact foam to manage low- and high-speed impacts.
With 20 vents, a breathable liner, and a magnetic Fidlock buckle, you stay cool and secure. It’s ASTM-certified, backed by a 3-year crash replacement program, and weighs just 3.6 pounds—perfect for riders over 12 who demand performance and flexibility on every ride.- Chin Bar Type:Removable chin bar (push-button)
- Ventilation:20 vents
- Fit System:Fidlock magnetic buckle
- Shell Material:Polycarbonate/ABS/PC blend
- Liner Type:Breathable liner
- Certification:AS/NZS 2063:2008, EN1078, CPSC 1203
- Additional Feature:Push-button chin bar
- Additional Feature:3-in-1 safety system
- Additional Feature:3-year crash replacement
ILM Full Face Mountain Bike Helmet (ZL-B068)
Who’s best suited for the ILM Full Face Mountain Bike Helmet (ZL-B068)? You’re into aggressive trail riding and want solid protection without weighing your head down.
This helmet’s for you if you value safety—certified to ASTM, CPSC, and CE standards. Its ABS shell and EPS foam core absorb impacts well, while the EPP chin bar cushions hard hits.
At just 700 grams, it’s light enough to reduce neck strain. You’ll stay cool thanks to multiple vents and a removable liner you can wash.
Pop off the visor when you don’t need shade. It’s goggles-ready and built for real adventures.- Chin Bar Type:Fixed full-face with EPP foam chin bar
- Ventilation:Multiple air vents
- Fit System:Adjustable size system
- Shell Material:ABS shell
- Liner Type:Removable washable comfort liner
- Certification:ASTM F1447, CPSC 16 CFR Part 1203, CE EN1078
- Additional Feature:Removable wide visor
- Additional Feature:Goggles compatible
- Additional Feature:Lightweight at 700g
Bell Super DH MIPS
The Bell Super DH MIPS stands out for riders who demand enduro-ready protection without sacrificing trail versatility. You get a fusion in-mold polycarbonate shell with progressive EPS foam for impact management and a removable chin bar with Flex Spherical + MIPS to guard against rotational forces.
Overbrow ventilation and 19 total vents keep you cool, while the GoggleGuide visor adjusts for eyewear. X-Static XT2 padding wicks sweat away, and Float Fit DH with a Fidlock buckle ensures a snug, easy-to-adjust fit.
An integrated breakaway camera mount adds tech without risk. Always measure your head—sizes range from 52–62 cm—and read the manual; improper use can lead to serious injury.- Chin Bar Type:Removable chin bar (no tools)
- Ventilation:19 vents, 2 brow ports, 4 chin bar vents
- Fit System:Float Fit DH with Fidlock buckle
- Shell Material:Polycarbonate shell
- Liner Type:X-Static and XT2 padding with Sweat Guide
- Certification:MIPS-equipped
- Additional Feature:Progressive layering
- Additional Feature:Air-channel matrix
- Additional Feature:Fidlock buckle
Lixada Full Face Cycling Helmet with Chin Guard
You’ll get the most out of the 11 Best Mountain Bike Helmets With Removable Chin Bars for 2026 if you need versatile protection on varied terrain, and the Lixada Full Face Cycling Helmet delivers exactly that. You can switch quickly between full and half helmet setups with its removable chin guard and visor.
The polycarbonate shell and EPS liner absorb impacts well, while the extended rear offers extra coverage. With 18 vents and breathable padding, you stay cool and comfy.
You’ll dial in the perfect fit using the adjustable 54–61 cm system. It’s lightweight, includes mounts for goggles or a camera, and suits most adult riders—just remember, head shape affects fit.- Chin Bar Type:Removable chin guard
- Ventilation:18 vents
- Fit System:Dial system (54–61 cm)
- Shell Material:Polycarbonate shell
- Liner Type:Breathable inner pad
- Certification:Not specified
- Additional Feature:Goggles holder
- Additional Feature:Camera port
- Additional Feature:Elongated rear protection
Adult Full Face Mountain Bike Helmet
Need maximum protection without sacrificing comfort on aggressive trails? The Adult Full Face Mountain Bike Helmet delivers.
You get a lightweight PC shell with an EPS liner and a one-piece design that’s built to last while absorbing shocks like a pro. With 23 large vents, you stay cool, and the detachable liner makes cleanup simple.
Choose M or L and dial in your fit with adjustable straps and a snug, secure system. You’re covered with a full-face build, chin guard, and oversized visor—perfect for downhill racing or tough trail runs.
Whether you’re charging in competitions or carving backcountry lines, this helmet keeps you protected, stable, and visible when it matters most.- Chin Bar Type:Fixed chin guard
- Ventilation:23 large vents
- Fit System:Adjustable dial system
- Shell Material:PC shell
- Liner Type:Detachable inner lining
- Certification:Not specified
- Additional Feature:One-piece design
- Additional Feature:Oversized visor
- Additional Feature:23 large vents
Bell Super Air R MIPS
When tackling aggressive trail rides that demand both speed and protection, the Bell Super Air R MIPS stands out for riders who want full-face safety without sacrificing ventilation. You get a Fusion Polycarbonate Shell bonded to an EPS liner with variable densities for superior impact control.
Flex Spherical + MIPS manages rotational and linear forces, while 18 vents, overbrow airflow, and X-Static padding keep you cool and dry. The adjustable visor works with goggles or glasses, and the breakaway camera mount reduces snag risk.
You can remove the chin bar in seconds—no tools needed—but always check for damage and ensure a snug, correct fit.- Chin Bar Type:Removable protective chin bar
- Ventilation:18 vents, 4 brow ports, 8 chin bar vents
- Fit System:Float Fit with Fidlock buckle
- Shell Material:Polycarbonate shell
- Liner Type:X-Static padding
- Certification:MIPS-equipped
- Additional Feature:18 vents + 8 chin vents
- Additional Feature:Variable density EPS
- Additional Feature:Full-hand trigger grip
Factors to Consider When Choosing Mountain Bike Helmets With Removable Chin Bars
You want a helmet that’s safe, comfy, and built smart—so check the safety certifications and impact protection first. Make sure the fit’s adjustable and the ventilation keeps you cool without sacrificing strength.
And yeah, that chin bar? It’d better snap on and off quickly without wobbling when it’s locked in.
Safety Certifications
Why take chances with protection that might not meet the terrain’s demands? Always choose a helmet certified to recognized standards like CPSC, ASTM, EN1078, or AS/NZS 2063—these confirm baseline safety for mountain biking.
Make sure the chin bar is truly removable and labeled as such, since switching configurations affects protection. Check that certifications apply to both open-face and full-face setups, or that the manufacturer clearly states limitations when the bar’s off.
Don’t overlook design details: look for compliant breakaway camera mounts and impact-safe features that work in either mode. Above all, ensure the fit system stays secure whether the chin bar’s on or off—wobbling or shifting ruins protection.
Your helmet should stay stable in all riding conditions, so double-check sizing and adjustability. Safety starts with smart certification choices.
Impact Protection
Certifications set the foundation, but real-world safety hinges on how well a helmet handles impact—and with removable chin bar helmets, that protection must stay consistent no matter the setup. When you attach the chin bar, it boosts facial protection during fast descents or crashes, lowering your risk of injury.
You need a secure connection that locks firmly in place without tools—quick, simple, and reliable on the trail. Never assume the bar stays put; always check that it engages fully with the helmet chassis.
The system should maintain ASTM or CPSC certification with the bar on, so you’re not sacrificing safety for versatility. And since you’ll swap between open and full-face modes, the helmet must protect just as well in both configurations.
Don’t compromise: strong impact resistance isn’t optional—it’s essential every time you ride.
Ventilation Design
How well does your helmet keep you cool when the trail heats up—especially with a chin bar attached? Removable chin bars change airflow, so you need smart venting that works either way.
Look for helmets with 18–20 vents, including brow ports and overbrow openings, to maintain cooling. Air-channel matrices inside help guide airflow even when the chin bar is on.
Some models use adjustable visors and integrated vents to boost ventilation, keeping air moving around your face and scalp. Full-face setups often reroute air differently, so the shell design matters—don’t assume more coverage means less breathability.
Check how the chin bar attaches; it can block or redirect intake. You want consistent airflow whether you’re riding open-face or fully covered.
Smart vent placement means you stay cool during climbs and sprints without sacrificing protection. Don’t overlook how air enters and exits—your comfort depends on it.
Fit Adjustability
What good is a helmet that fits perfectly one moment and shifts the next? You need consistent, reliable fit adjustability—especially when swapping between full-face and open-face setups.
Look for a dial-fit system or Fidlock buckles that let you fine-tune the fit securely, without tools. A good helmet stays locked in place whether the chin bar’s on or off, with no gaps or wobble that could reduce protection.
Overmolded straps should stay snug and stable through rough terrain. Don’t forget how the chin bar affects weight distribution; balance matters when you’re riding hard.
Make sure adjustments work seamlessly in both configurations, and confirm the shell stays intact with repeated attachments. Your helmet’s fit shouldn’t depend on guesswork—dial it in once and trust it sticks.
Chin Bar Mechanism
Why compromise between protection and airflow when you can have both? With a removable chin bar, you switch easily between full-face coverage for aggressive descents and an open layout for climbing or casual riding.
You’ll want a system that clicks in securely with a simple, tool-free process—some take just three steps. When it’s on, the bar shields your jaw and lower face without wobbling, thanks to tight, precision-engineered connections.
Look for models with breakaway or quick-release features that minimize neck strain if the bar catches during a crash. You must follow the manufacturer’s instructions to ensure proper attachment and avoid unsafe setups.
Not all systems are equal, so check that the fit stays solid and aligned every time you lock it in.
Weight Considerations
Ever notice how much lighter your head feels once that chin bar comes off? You’re not imagining it—removing the chin bar drops weight fast, especially on climbs where every gram counts.
Most full-face models weigh 350–700 grams, with the chin bar and reinforcements making up a big chunk. Once it’s gone, you’re left with a sleeker, ventilated lid that still protects but feels way more agile.
The real savings come from smart materials: polycarbonate shells and lightweight EPS/XPT foam keep things light without sacrificing safety. Look for designs that cut chin-bar mass and boost airflow—because you want cooling whether you’re in open-face mode or charging with the bar on.
Don’t overlook this—you’ll ride longer and more comfortably when your helmet isn’t weighing you down needlessly.
Frequently Asked Questions
Can I Use a Removable Chin Bar Helmet for Road Biking?
Yes, you can use it for road biking, but it’s heavier and less ventilated than road-specific helmets. You’ll sacrifice comfort and cooling on long rides.
If you’re okay with that trade-off, go ahead—just know you’re not getting the best tool for road biking.
Are Removable Chin Bars Compatible With All Helmet Models?
No, you can’t just slap a chin bar on any helmet—only specific models are built with the right frame and attachment points, so check manufacturer specs before assuming yours supports one.
How Do I Clean the Chin Bar Padding?
You remove the padding and rinse it with mild soap and water, then let it air dry. Don’t soak it or use harsh chemicals.
Once dry, you snap it back in place—simple, quick, and keeps it fresh for your next ride.
Do Removable Chin Bars Meet Safety Certification Standards?
Yes, they meet safety standards when you install them right. You must attach the chin bar securely—riding without it or with it loose voids certification.
Always check the manufacturer’s fit instructions and use only approved parts to stay protected and compliant.
Can I Buy Replacement Chin Bars Separately?
Yes, you can buy replacement chin bars separately—they’re sold like puzzle pieces that fit your helmet’s design. Just check the maker’s site or contact support; they’ll guide you to the right match for your model.
Conclusion
You’re tearing down the trail, wind ripping past your ears, when a gap looms. Instinct kicks in—the chin bar clicks off mid-air, stowing like it knew your line.
You land clean, helmet light, head high. That split-second sync?
Not luck. It’s the right helmet meeting the moment.
These 11 fit just like that—built for when speed and sense collide.
