Best Triathlon Bike Helmets Tested & Reviewed

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There are three important aspects that go into selecting a bike helmet.  Safety, Aerodynamics and Comfort.  The most important being safety.  Through the decades there has been a push to make helmets have as much protection as possible for all bike enthusiasts.  The MIPS or Multi-directional Impact Protection System has come along way in innovation by using the slip plane concept.  It has a double layer protective barrier and was designed to prevent injury and concussion of the brain upon impact during an accident.

Giro Aerohead MIPS
  • Giro Aerohead MIPS
  • 5 out of 5
    Our rating
  • Polycarbonate Shell
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Giro Air Attack
  • Giro Air Attack
  • 4.5 out of 5
    Our rating
  • Wind tunnel-aided design
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Gray TT Aero
  • Gray TT Aero
  • 4.8 out of 5
    Our rating
  • DuraShell in-mold construction
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Trimming times is essential to those triathletes that want the time gains in speed when on the bike, and the aerodynamics that are implemented into the helmet have come along way in the science and technology. During the mid 1980’s, the aerodynamics inside the helmet were becoming somewhat improved but were still only available to few athletes.  It was only in the early 2000’s that both safety and air flow speed were finally inputted into the helmet and that was a combination of an expanded polystyrene core. Wearing an aerodynamic helmets is proven to increase speed up to 10-15 watts over a traditional bike helmet and with its add on to the helmet itself it could be worth the money spent.

1. Giro Aerohead MIPS

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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?

2. Gray Synergy TT Aero

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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 

3. ​Lazer Tardiz Aero TT

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The Tardiz Aero TT Helmet made by Tardiz, a company who has been in business since 1919, is specially made for the athlete that enjoys the extra touches in a helmet. It has a special Aquavent and a top surface port for additional ventilation and to pour water onto your head in which the water is evenly delivered to the entire surface of the head. This cooling process provides efficiency in both your rides and your time trials. A Dual Layer surrounding the helmet gives you maximum speed airflow along with the Rollsys Retention System, adjustable head basket for movement and it’s sleek design delivers a magnetic buckle for an easy transition time. There is also an optional lens attachment and sunglass earpads as an extra bonus.
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Size and fit is imperative, especially for long arduous rides during competition. Lazer’s has an answer for that with their Rollsys technology. This technology lets the rider adjust the helmet symmetrically, which allows pressure points to be eased inside the helmet.

Time is very imperative in a Triathlon and struggling with you helmet buckle can cost you precious time in both trials and competition. The Aero TT helmet has a magic buckle with a magnetic mechanism that will instantly snap together and stay put throughout your ride.

Cost:
Moderate to Pricey depending on color
Pros
  • Lightweight
  • Adjustable Rollsys Retention System
  • Seven Additional Add on to Helmet (Sold Separately)
  • Eight Colors to choose from
  • Available in Three Sizes
  • Special Padding for Odor
  • Magnetic Clasps and a Magic Buckle for Super Easy Transition Water Hole on
  • top for Quick Cooldown
Cons
  • Earpiece can be uncomfortable 

4. Bell Javelin Time Trial

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This well built ventilated helmet by Bell is part of their TT speed series and is equipped with high powered aerodynamics for those serious triathletes and superior safety in its Fusion In-Mold Microshell, making the helmet tough and sturdy. It’s three strategic vents will keep your head cool and dry and it’s sleek design give you the time advantages over most helmets and comes in three sizes, two designs and a detached visor for added visual perception.
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Bell created this helmet specifically for triathletes who want to beat the clock in trials and triathlons. There were so serious about times that they spent a lot of time testing in actual wind tunnels to bring a an advanced aerodynamic feel to its helmet.

Sweat within the helmet has always played a factor in odor and dry wicking of moisture. The TT speed series helmet has an X-Static Antimicrobial padding for no odor and an micro adjust for non-sliding and a firm fit.

Cost:
Moderate price for the quality
Pros
  • Well Ventilated
  • Fusion In-Mold Microshell
  • Removable Visor Shield
  • Enhanced Aerodynamics 
  • Ear flaps for comfort
  • Sleek Design
Cons
  • Visor is very delicate
  • Sizing can be unpredictable 

5. Rudy Project Wingspan Aero TT

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The Rudy Project Wingspan Aero Time Helmet is considered the #1 Wingspan helmet hands down. It has numerous accolades including the top contender worn at the Hawaiian IRONMAN World Championships , the mother of all Triathlons. The Aero Dynamics on this helmet are a phenom. It has two, not one, but two vents covers that are removable, a brilliant retention system and the helmet colors are vivid and amazing!
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This wind tested helmet has a spin dial for proper fit and and a removeable tail cover. It is made for turbulence reduction and includes a mesh front vent cover.

The ventilation on the Wingspan Helmet is exceptionally made. It has internal exhaust vents, keeping your head cooler in warmer rides and has an RSR7 system gives you the ability to single handedly remove the helmet which makes for an easy on easy off transition.

Cost or Value
Pricey but Worth its Weight in Gold
Pros
  • Removable Tail Cover
  • Internal Exhaust Vents
  • Mesh Front Vent Cover
  • Easy Transition RSR7 System
Cons
  • One Size does not Fit All (Reference Sizing Chart)

6. Louis Garneau P-06

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Affordable and professional are what comes to mind when it comes to the Louis Garneau P-06 TT Helmet. This High Quality Helmet comes in two very classy and slick colors and is known for its high performance. It has a unique dimple design that covers the front and crown of the helmet which creates the optimum speed for riders to pick up extra wind speed. The technology was taken from the divots in Golf Balls that give the ball an extra vroom.
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Having at tail at on your helmet creates the speed you may want but can cause neck strain due to keeping your neck in straightforward position. The Louis Garneau P-06 has a patent called the Spiderlock Pro II the stabilizes the helmet and gives you the neck support needed to ride in comfort and eaze. The Interlocking dial gives you the choice to tilt the helmet to your preferred comfort level.

Maximum ventilation shafts give you the airflow needed for quick entry in and out for a fast cooldown. If you want the extra sweat proof protection this helmet is exactly what you need with a Drylock air padding for extreme wicking.

Cost and Value
Moderate Pricing for Professional Grade Helmet
Pros
  • 5 Vent Air Circulation
  • Adjustable Spider Pro II for Head and Neck Comfort
  • Highly Aerodynamic
  • Helmets Fits Well to Size
  • Removable Molding both Comfortable and Washable
Cons
  • No Visor

7. Giro Advantage 2

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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

8. Gray TT Aerodome

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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

9. Giro Trinity

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The Giro Trinity Helmet stands by its affordability and is engineered with a 29 vent cooling mechanism that protects the rider from overheat. The safety technology in the Giro uses a styro mold that free forms to the head. Its is both odor and sweat free. The foam technology provides provides structural integrity and has added reflective safety for the evening rider, plus it comes in eleven solids with both even and contrasting colors.
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The inner core mold to your head is added for decreased injury in accidents which is one of the most important aspect in your helmet.

There is an adjustable ratchet system helmet dial to ensure proper fit along with the twenty two vents to keep you head dry and from excess moisture and cool from the heat. They also provide the maximum speed for those times when time is of the essence.

Cost:
Affordable for all types of cyclists
Pros
  • Internal Styrofoam for head protection
  • Great Air Flow
  • Lightweight
  • Assorted Colors
  • Easily Adjustable
  • Reflective 
Cons
  • Some may want to size down
  • Scratches easy
  • Not preffered by those who like extreme amounts of padding inside

10. Giro Air Attack

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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

Comfort is also key for long rides and neck easement. It has to stay put and not overheat. The chin strap needs to stay secure and not pinch or be uncomfortable.  The earflaps on the aerodynamics helmets need to stay put and be comfortable for the long course races and you have to make sure that you have an overall overheating mechanism built with the helmet whether that be a water spout at the base of the helmet or the overall material to keep your head from the infamous overheat

With that said, we have selected six of the best helmets on the market to date that will cover all of the those questions, plus give you the most bang for your buck.

Summary

Selecting the perfect helmet can be 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.