10 Best Triathlon Bike Helmets Tested & Reviewed

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Through the decades there has been a push to make helmets have as much protection as possible for all bike enthusiasts.  The MIPS (Multi-directional Impact Protection System) has come a long way in innovation by using the slip plane concept.  It has a double layer protective barrier and was designed to prevent brain injury and concussions from impact if involved in an accident.

Trimming bike times is essential to triathletes. The aerodynamics that are implemented in the best triathlon bike helmets have come a long way in science and technology–which really allows you to shred that time.

During the mid 1980’s, aerodynamics inside the helmet had improved improved but were still only available to a select number of athletes. However, by the early 2000’s safety,air flow speed, and an expanded polystyrene core were finally incorporated into the helmet. Today, wearing an aerodynamic helmet is proven to increase speed by up to 10-15 watts–in comparison to a traditional bike helmet.

Last Updated: August 11, 2018
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By Giselle Killebrew:

Our new top three triathlon helmets are the Giro Air Attack helmet, the Louis Garneau P-09 helmet, and the Kask Protone helmet. These 3 come highly rated and highly recommend among many users. Make sure to take a look at the rest of the page to learn more about how we compiled our list of best triathlon helmets.

Giro air attack
  • Giro air attack
  • 5 out of 5
    Our rating
  • WInd tunnel design
  • Price: See Here
Louis Garneau P-09
  • Louis Garneau P-09
  • 5 out of 5
    Our rating
  • Ultra lightweight
  • Price: See Here
Gray TT Aero
  • Gray TT Aero
  • 5 out of 5
    Our rating
  • MIT TECH
  • Price: See Here

10 Best Triathlon Bike Helmets

1. Giro Air Attack

1. Giro Air Attack
The Giro Attack Bike Helmet has all the bells and whistle when it comes to safety, performance and airflow. It is lightweight and the aerodynamics is superb and compact. The design was adopted by their first air attack design and has the same features aesthetic features with a few added bonuses. The extreme aerodynamic design has a Roc Loc Air system that slices through the air for added speed. There is a removable eye protector and an easy adjustable chin strap. The Giro Attack is an all around bargain helmet that can be used for Triathlons or everyday bike rides.
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The helmet that you choose should be safe, but comfort is also a must to go along with that, especially when it comes to doing long distance runs. It is lightweight with a mesh interlining and maneuvers easily for a quick attachment in order to keep with time.

This helmet has an excellent aero and drag profile and has a surprising amount of air ventilation to both keep your head cool and give you the headwind needed for speed.

Cost:
Moderate Price, depends on the color and style.
Pros
  • Protective Foam
  • Good Ventilation
  • Added Visor for enhanced optics (Can wear your prescription sunglasses)
  • Wind Tunnel design
  • Comfortable and lightweight
  • Good for long distance races and short bike rides
Cons
  • Not ergonomical for some  
  • Visor could be longer 
  • Magnets to hold visors may not sustain extreme headwinds

2. Louis Garneau P-09

2. Louis Garneau P-09
The sleek and comfortable design provided by the Lois Garneau P-09 TT Helmet is what makes this helmet stand out the most. This high quality and expertly crafted helmet comes in four different colors and has become known for its high-performance features. The texturized golf ball technology incorporated at the front of the helmet creates the optimum speed for riders to pick up extra wind speed and improves airflow
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Weighing in at 350 grams, this helmet is lightweight, comfortable, and efficient. It is also known as the easiest helmet to put on and take off, thanks to its retractable ear feature.

TheLous Garneau p-09 also comes equipped with their patented stabilizing Spiderlock Pro TT system. This stabilizing system provides you with optimal stabilization and neck support during your rides. It also come equipped with a removeable lens and a ventilation system that is guaranteed to keep you cool and maintain continuous airflow while riding.

Cost and Value
Pricey, but well worth the cost.
Pros
  • Lightweight
  • 4 Vent Air Circulation
  • Retract ear for quick transiton
  • Spiderlock Pro II for Head and Neck Comfort
  • Highly Aerodynamic
  • Pro lock adjustment straps
  • removable visor
Cons
  • difficult visor attachment 

1. Giro Aerohead MIPS

1. Giro Aerohead MIPS
The Aerohead MIPS Bike Helmet is one of the leading bike helmets on the market created by GIRO. It offers the leading protections from accidents and injuries using MIPS technology. It has a higher wind speed and ventilation for optimum performance. It is the leading helmet used by numerous triathletes as well as time trialists. The helmet keeps your head cool in the most competitive endurance runs. It has a polycarbonate shell, an impeccable wrap around eye shield and offers a strong magnetic anchor attachment for and lens flip up for an easy transition flow from swim to bike.
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Sitting over a smidge over 2 pounds, this polycarbonate made helmet is one of the best ventilated and safest helmet on the market. Sizing is a snap with Giro’s Super Fit Engineering that ensures the proper fit for all.

The visor on this helmet is one of the best on the market, offering long range visuals for long distance cyclists and give you those unobstructed views for safe riding.

Cost:
Above average pricing for serious buyers
Pros
  • Best All Around Helmet on the Market
  • Polycarbonate Shell 
  • Lightweight
  • Increased Ventilation System Wide Long Range Visors
  • Flip up Visor for Simple Transition Great Selection of Styles
Cons
  • More Colors Possibly?

3. Kask Protone

3. Kask Protone
The Kask Protone helmet comes from a less well-known brand, but it has quickly become a highly recommended helmet. It is more affordable than some others on this list and offers numerous benefits. This helmet is extraordinary lightweight and a great beginner helmet for triathletes just starting out--and looking for an effective and beneficial helmet that won't weigh them down as well.
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This hybrid helmet is extraordinary lightweight, and an excellent intro helmet for triathletes looking to get serious. It is comfortable, spacious, and will keep you cool.

One of the best features this helmet has to offer is the 3D Dry Padding, which prevents bacteria growth. It is removable and washable, so you never have to worry about bacteria growth later in the future.

Cost:
This helmet is still a bit pricey but definitely more affordable than others on this list. Price increases based on color options--so it can get expensive if you want a particular color or design in mind.
Pros
  • Provides plenty of ventilation
  • Keeps you cool
  • Very lightweight
  • Comfortable
  • 3d Dry Padding
  • Excellent beginner helmet
  • Lots of color options
Cons
  • The extra ventilation may increase drag
  • Can get expensive depending on color and design 

5. Rudy Project Wing 57

5. Rudy Project Wing 57
The Rudy Project Wing 57 is a new and improved version of the previous Ruby Project Wingspan helmet. Its' sleek design, comfort, and breathability is a perfect match for riders looking for a helmet they can use for an extended period of time.
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This road and wind tested helmet was developed with the help of Aero expertise, John Cob. Its Aerodynamic design combined with its flow through air vents provides you with a high performing and comfortable helmet

Weighing in at 390 grams (with the visor attached) this helmet is lightweight and perfect for triathlons and races. It's also comes equipped with a removeable tail cover and visor, to better suit whichever option you prefer.

Cost or Value
Pricey but Worth its--so make sure it fits your specific needs.
Pros
  • Removable Tail Cover
  • Removable Visor
  • Lightweight
  • Comfortable
  • Exceptional Breathability
Cons
  • High Price
  • Difficult to Transition (removal of visor and tail) 

4. Giro Vanquish

4. Giro Vanquish
The Giro Vanquish is an Aero helmet designed to replace Giro’s Air Attack. It’s improved Aerodynamic design and RocLoc Air fit system makes this helmet a new and improved version of its’s predecessor. The Vanquish is a high-performing and comfortable helmet that is sure to help you improve both your time and speed.
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Giro specifically wanted to improve both their ventilation and over all aesthetic design with this helmet—and they achieved it. While its’ wind ventilation system is not comparable to helmets like the Synth, or other TT helmet, it is much improved from the Air attack and better than other Aero helmets.

Weighing in at 305 grams without the shield, and 355 grams with it, this helmet is both lightweight and comfortable. Its’ best feature is the magnetic (and removable) eye shield. This shield uses a Zeiss lens that is perfectly and comfortably positioned for each rider—a rare feature found in visor-style helmets. The Aerodynamic concept used on the Vanquish has been shown to lead to improved speed and time

Cost:
Cost is on the high end of the spectrum but it is well worth the investment.
Pros
  • Comfortable
  • Lightweight
  • Magnet Vivid Eye Shield by Zeiss
  • Wind Tunnel Ventilation 
  • RocLoc Air MIPS
  • Sleek Design
Cons
  • Ventilation system is still not up to par when compared to TT helmets (hot). 


3. ​Rudy Project Boost 01

3. ​Rudy Project Boost 01
The Rudy Project Boost 01 triathlon helmets is one of the best available. It is best in performance, hybrid, and comes highly rated among triathletes. This helmet will help you shred your time and help boost your performance in your next race. It is comfortable, durable, and goes above and beyond what a helmet is mean to do.
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This helmet uses Dry Foam for its' padding--which wicks away sweat, repels yours sweat, keeps you cool, and provides you with a great fit and additional comfort. The padding also incorporates anti-bacterial Static X padding over the Dry foam in order to prevent bacteria from building up.

The Boost helmet will also help you effectively help you shred your race time. It has a balanced design that allows it to reduce drag while also providing optimal ventilation--a difficult feat to accomplish.

Cost:
This helmet is definitely more expensive than others, but it will improve your overall performance so it's well-worth the investment.
Pros
  • Hybrid helmet
  • Reduces drag
  • Increases ventilation
  • Dry Foam padding
  • X-Static padding
  • RSR 9 custom fitting
  • Comes with a removable visor
Cons
  • Expensive
  • The fit may not be right for some people.

7. Giro Advantage 2

7. Giro Advantage 2
If you are a fan of the Tour De France and the Olympics and are looking for a great helmet to give you both the speed and times of these top notch athletes, look no further. The Giro Advantage 2 Bike Helmet is wind tested, has been worn by more riders and is proven to have the levels of quality, ventilation and comfort that a only a true performer desires.
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The Giro’s patented RocLoc 5 fit system fits keeps the helmet in place and firm. It comes in three sizes and has an inner mold construction that conforms with the different ratios of each head.

This helmet has some pretty cool ventilation channels that start in the front of the helmet and surround almost the entire top, giving you the chance to wear it in both the hottest of summers and the coolest temperatures in the fall and winter.

Cost or Value
Low to Moderate Pricing depending on Style
Pros
  • Deep Channeling for Ventilation
  • RocLoc 5 System
  • Comfort is Good
  • Great Helmet Aesthetics
  • Fast Times against High Wind Speeds
Cons
  • Size up (Use the Sizing Guide for Accurate Fit)
  • Colors are limited
  • Ear Flaps are Snug and Not Attached

2. Gray Synergy TT Aero

2. Gray Synergy TT Aero
Gray’s Synergy Sport Aerodome Helmet weighs the least out of all of the helmets that were reviewed at a mere 345 grams, but don’t let the weight fool you. This helmet gives you maximum performance for triathlon rides as well as for the Velodrome. It has an internal and adjustable channel system for air velocity and a complete Sure Fit adjustable system to ensure proper fit in one helmet for all sizes. There are flexible ear side panels guaranteed not to crack and speaking of guarantee. Gray offers a lifetime crash warranty.
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This helmet is preferred by most triathletes and is considered one of the most aerodynamic helmets on the market. With a four vent internal channeling and a very light and streamlined design it virtually shaves off seconds in a race or trial.

The lifetime warranty not only covers unexpected crashes, it also is fully warranted against any damage or defect that was the fault of the manufacture, its material or workmanship.

Cost:
Moderate pricing with a warranty included.
Pros
  • Extremely lightweight and slim lined
  • One sizes fits all with adjustable dials
  • Flexible material to prevent cracking
  • Extra padding included with all new helmet purchases Comfortable against neck fatigue  
  • Lifetime Crash Warranty
  • Low Drag
Cons
  • Fits 95% of cyclists - not all
  • Limited style options - Comes in only two colors 

8. Gray TT Aerodome

8. Gray TT Aerodome
If you are on the lookout for a clean flexible aerodynamic helmet, look no further. The Gray Triathlon/Time Aerodome Helmet is the one for you. It is one of the lightest helmets weightwise on the market, sizing up at a slender 345 grams. The internal channeling sits at 4 openings and gives you the quickness and speed with a high impact aeroflow. It’s side panels are highly flexible. The inner molding and lining scream a loud red and has a pretty good firmness to keep the helmet in place. A Lifetime Warranty is also included on crashes and repairs.
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If you're looking for an easy on easy off transition, the Gray TT Aerodome Helmet is a great choice. It has a very simple adjustability system and a chin strap protector that clasps very quickly.

The inner core of the helmet and padding was made for both safety and comfort and for those who need the extra coverage there is an easy insert for additional padding.

Cost or Value
Relatively inexpensive for what you get
Pros
  • Lightweight (345 grams)
  • Extreme Internal Ventilation Channeling
  • Flexible Side Panels
  • In Mold Construction with a Durashell
  • Extra Inner Padding Included
Cons
  • Does not have attachment for Aero Eye Shield
  • Helmet Tail may cause Too Much Drag for Some

Here Is How We Evaluated The Best Helmets

Safety

Safety is one of the most imortant factors to consider if you cycle. This is why helmet designs are consistently being upgraded–to ensure your safety and comfort during all of your races. You never know when an accident may occur, so it’s important to cover all your head properly. In the the United States the Consumer Product Safety Commission (CPSC) must approve the product, in Europe the Conformité  Européenne (CE) must approve the product, and in Australia the AN/ NZS must approve the product.

Fit

The fit is the most important aspect because it ensures your comfort and effectivity of your helmet. Make sure your helmet provides a snug and secure fit and that it isn’t too loose. If the fit isn’t right for you then you will not be covered in the case of an accident and won’t receive the safety the helmets are meant to provide you with. The straps on the helmet should also form a V and when you twist your helmet there should be very little movement. The strap will allow you to adjust your fit and ensure your comfort and safety.

Weight

Typically the lighter the helmet is the more money it will cost you. While this may sound ridiculous to some of you, this is because it is extremely difficult to make a helmet that is both lightweight and able to provide you with the safety you need. Lightweight helmets will allow you to gain speed and help you shed precious seconds off your race time.

Ventilation

Breathability will increase your comfort levels and is crucial for triathletes. However, more airflow requires less padding, which in turn takes away from the safety the helmet provides you with. This is why many helmets employ special channels on the inside as well as holes on the outer part of the helmet. This allows the helmet to be padded and safe–while also preventing you from sweating excessively.

More Stuff Worth Thinking About

Size and style

Size and style because they can affect many other factors. A helmet that is too small can be too tight and will decrease your blood flow. On the other hand, if the helmet is too large it won’t provide you with the safety and protection you need when you are out on your bike. If your helmet is too big there are caps you can use to make it fit better.

As far as style, you can find options that come in lots of different colors and pattern options. Some are sleeker than others while others are bulkier–so you have a variety of options to choose from.

Price

On our list, there are helmets that cost around 100 dollars but there are also products that cost around 300. We don’t want to say that the more expensive the helmet is, the better it is- it’s really untrue. However, the high price of some of the products on our list doesn’t come from nowhere. Extra padding, more ventilation and weight are the factors that decide what will be the price of the product. Triathlon is very demanding and we must be clear- accidents happen.

Even if you’re very careful, the one second may decide. We think that life is priceless and spending even 300 dollars for the helmet is a decision that is reasonable. What’s more, you will be able to use a helmet not only for the triathlon. High-quality helmets can stay with you for years and you can wear even during short ride around the city. There are also many sales and even 20% discount is a lot. Don’t waste your money for cheaply made helmets only because they cost less. Your safety is the priority and stick to this rule.

Does it have a guarantee?

You may not even know how important the guarantee can be in case of helmets. The main task of the helmet is to protect your head from damages. What happens if you decide to buy one for 200 dollars and few days after, because of an accident, your helmet is useless. You really need to look for helmets with a decent guarantee. Of course, not every manufacturer will give you a new helmet because you had destroyed the previous one, but there are brands that offer this kind of service. What’s more, a guarantee is a good thing when your helmet was delivered damaged or with defects.

And what about the way of shopping? In this case, it will be better for you to find the product in the store. It’s rather hard to purchase the helmet without trying it on. The fit is a key to a safe and comfortable ride so don’t hesitate and visit the nearest store. At least, you can find an appropriate size and then check if on the Internet it is cheaper.

Additional features

Our list has helmets between $100-$300. Price will depend on the features you are looking. So, before making your purchase make sure you are getting something that fits your needs and preferences. Some helmets may also come with hair ports, Reflective features, or even additional lighting options. Make sure you aren’t paying for features you don’t need!

FAQ

Q.What is MIPS Technology?

MIPS Technology stands for Multi-directional Impact Protection System Technology. This method of making helmets allows for more protection because the additional layer it gives your helmet reduces the rotational forces that can happen if you get into an accident. This technology was invented in Sweden and has been tested for almost 2 decades–so you can rest assured that it will keep you safe.

Q.What are the 3 different types of bike helmets?

Recreational helmets are the simplest type of helmet. They are used for recreation as the title implies, or by people who commute to work. They are economical and perfect for commuter, road and mountain bikers. They often include visors to shield your eyes from the sun.

Road bike helmets have more advanced aerodynamic features and are much lighter than recreational helmets These helmets allow for a wide view, so you can clearly see if there’s a car coming your way.

Mountain bike helmets are perfect for people who ride downhill and need good ventilation. As the terrain is very demanding and it’s really easy to get hurt, the helmet has a hard shell and the straps are very firm.

Q.How do I take care of my helmet?

That’s a good question. The most important thing we can tell you here is to not use harsh chemicals. Instead, use mild soap and water and make sure to keep your helmet in a cool and dry place.

Q.When do I need to replace my helmet?

If you get into any type of accident it’s important to replace your helmet–even if it looks okay. However, if you have not been involved in a crash, most manufacturers recommend you replace your helmet every 4-5 years. While they are durable, the older they get the less safe they may be.

Comfort

Comfortable helmets will prevent neck strain during your runs, will stay put, and prevent you from overheating. The chin strap should provide an adjustable an secure fit but should not be uncomfortable nor should it pinch you. The earflaps on aerodynamics helmets should to stay put and be comfortable enough to wear during long races.

Summary

Selecting the perfect helmet can be a difficult purchase to make.  You have to consider safety and whether a MIPS helmet would be a great fit.  Then there is, of course, the aerodynamics to consider in order to shave off as much time as possible on both trials and competitively.

Comfort is just as important.  It has to fit your head right without moving too much and the size is imperative because you don’t want a tight fitting helmet. The cooling mechanisms are a must for even the most serious cyclist and you have to be able to put water into the helmet for a fast and rapid cool down.  All of the helmets reviewed have a combination of what athletes and triathletes alike are looking for, now it is just a matter of choosing one and getting out there for fun, competition and a healthier lifestyle.

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