Bicycle Helmets & Riding Gear
INFORMATION

Mar, 04, 2022
2022:NEW ITEM AERO-R2

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Kabuto will release the AERO-R2 and AERO-R2TR, the aero road models, which inherit the genes of the truck aero helmet.

The former model AERO-R1 debuted in 2017 as an aero road helmet with a short tail and high aerodynamic performance. Through repeated data analysis and wind tunnel testing, the AERO-R2 aims to further improve aerodynamic characteristics while maintaining the basic form that reduces aerodynamic drag not only when riding straight ahead, but also in crosswinds and when looking backward.
The most distinctive feature is the "Air Tunnel Structure (PAT.P)" in the center of the helmet. Air passes through the air tunnel, which consists of an air hole placed straight through the helmet from the center of the frontal area and an "air path plate" installed inside the helmet. The air that enters the helmet is channeled backward while being regulated, and aerodynamic performance is improved by suppressing air resistance.

Air holes and air routes have been optimized to improve ventilation performance for comfort. The interior is made of COOLMAX® material, which absorbs water and dries quickly, and the chinstrap features MOFF® deodorant fiber and water repellency, as well as KBF-2 adjusters with the Boa® fit system for a precise fit.
The AERO-R2 is equipped with a new "anti-slip buckle" locking mechanism that prevents the chinstrap from loosening compared to conventional buckles, while the AERO-R2TR is equipped with a "magnetic buckle" for fast and secure attachment and removal.

The AERO-R2TR has evolved into an aero road helmet with aerodynamic performance cultivated in the world of track competitions where 0.01 seconds is at stake, and comfort that allows the rider to concentrate on racing even in the toughest road races.




<Promotion Video



Functions & Technology

●Air Tunnel Structure (PAT.P)" to improve aerodynamic performance by air rectification
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A revolutionary patented structure that stabilizes aerodynamic performance while suppressing unnecessary drag by adjusting air turbulence generated in the air route and channeling it backward. The air pass plate can be attached or detached as desired depending on the application.



●Aerodynamic performance thoroughly pursued and proven through CFD analysis and wind tunnel testing
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The shell design was determined based on data analysis and wind tunnel testing conducted during the development of aero helmets used in track competitions. The narrowed shape reduces aerodynamic drag not only when going straight, but also in crosswinds and when looking backward.


★Comparative verification of "aerodynamic performance" and "air permeability" with AERO-R1 through in-house wind tunnel testing
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[validation conditions].
Aerodynamics: Comparison based on AERO-R1, assuming the required power output values when riding at 40 km/h in a typical riding position.
Breathability: Helmet is placed on a human head model heated to 42°C, wind is applied at 40 km/h, and the time required for the frontal area to cool down to 35°C is compared.


(*Results of in-house testing)



[Verification Results].
Aerodynamics: AERO-R2 achieves -2W without plates and -4W with plates compared to AERO-R1.
Air permeability: Temperature drops 3.8% faster with AERO-R2 without plates and 1.5% faster with plates compared to AERO-R1.


The characteristics can be changed according to the situation by installing the air pass plate when aerodynamic performance is important and removing the air pass plate when ventilation performance is important.



●KBF-2" adjuster with Boa® fit system
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Realizes fine adjustment and uniform tightening. A large-diameter dial with a good finger-hold enables instantaneous one-handed adjustment.




●Adoption of a new headrest mechanism with two-stage adjustment to both sides
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The width of the headrest section can be adjusted in two steps. Adjustment is possible according to not only the degree of tightness but also the shape of the back of the head, which varies greatly from person to person.




●"Wake Stabilizer (PAT.) --Patented aerodynamic device
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Achieves aerodynamic drag equivalent to that of a long tail while having a short tail. Aerodynamic device developed by our company for motorcycle helmets.




●Equipped with a shield which prevent interference with eyeglasses
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マグネットでの取り付けにより着脱も簡単で眼鏡との干渉を考慮したシールドを標準装備しています。※眼鏡の形状によっては、ご使用になれない場合があります。

The shield designed to prevent interference with eyeglasses is attached with a magnet for easy attachment and removal, and is equipped as standard. Depending on the shape of the glasses, it may not be usable.




●COOLMAX® that assists in maximizing air-cooling effect
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Air-cooling performance is assisted by COOLMAX®, which quickly evaporates perspiration to keep you dry and comfortable.




Includes Ultra Sweatpad-03
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Sweatpad with floating structure. Efficiently directs sweat to the left and right sides of the forehead.





●Includes eyewear hold design and non-slip rubber-02
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Easy-to-hold shape and non-slip rubber keep eyewear firmly in place.
Excluding eyewear with special shapes.




●Chinstrap made of deodorant fiber MOFF® plus water repellency
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The chinstrap with MOFF® deodorant fiber and water repellency function reduces weight gain due to perspiration for a fresh feel on the skin.





●AERO-R2 has an "anti-slip buckle" jointly developed with YKK Corporation.
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Equipped with a newly adopted "anti-slip buckle" with a locking mechanism that prevents the chinstrap from loosening compared to conventional buckles (AERO-R2).




●The AERO-R2TR is equipped with a "magnetic buckle" for speedy and secure attachment and removal.
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Magnetic buckle for secure attachment and removal. Model specialized for triathlon (AERO-R2TR).





Size/Color Lineup


Available in three sizes: XS/S, S/M, and L/XL.
The AERO-R2 comes in six colors: Matte White, Matte Black, Crimson Red, Navy Blue, Olive Yellow, and Matte Trans Green;

the AERO-R2TR comes in two colors: Matte White and Matte Black.



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Matte White

Matte White(FRONT VIEW Matte White(REAR VIEW
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Matte Black Crimson Red

Navy Blue


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Olive Yellow


Matt Trans Green



■AERO-R2

Scheduled to stsart sale in spring 2022
Color: Matte White, Matte Black, Crimson Red, Navy Blue, Olive Yellow, Matte Trans Green
Size : XS/S , S/M , L/XL
<JCF (Japan Cycling Federation) approved



  • Proven aerodynamic performance thoroughly pursued through CFD analysis and wind tunnel testing
    adjuster with Boa® Fit System
    Air Tunnel Structure (PAT.P) improves aerodynamic performance through air rectification
    KBF-2 headrest with two-step adjustment on both sides.
    Patented aerodynamic device "Wake Stabilizer (PAT.)"
    "AR-5 Shield" that designed to prevent interference with eyeglasses is included.
    COOLMAX® to assist in maximizing the air-cooling effect
    Includes Ultra Sweatpad-03
    Includes eyewear hold design and non-slip rubber-02
    MOFF® deodorant fiber with water repellency added to the chinstrap
    Equipped with "anti-slip buckle" to reduce loosening of the chinstrap.


OGK KABUTO Co., Ltd.

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