HJC Adwatt 1.5 - White

The ADWATT 1.5 is the perfect compromise between aerodynamics, ventilation, and comfort for long r...

Best current price£299.99from Evans Cycles UK

Colour

Black White

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Hjc Adwatt 1.5 Large White

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Evans Cycles UKHjc Adwatt 1.5 Large White

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www.sprocketandgear.co.ukHjc White Adwatt 1.5 Aero Time Trial Bike Helmet

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Product Information

Full details

The HJC Adwatt 1.5 is a high-performance aero helmet tailored for triathletes and road cyclists who demand a balance between aerodynamic efficiency, cooling, and long-ride comfort. Developed through extensive wind tunnel testing, this helmet utilizes In-Mold technology for structural integrity while incorporating advanced ventilation features to keep riders cool during intense efforts; however, users should note that its specialized aero profile is primarily optimized for aggressive, forward-leaning riding positions.

All features

Age Group	adult
Colour	White
Gender	Unisex
Model Part Number	81352901
Brand	HJC

Extended Product Information

FAQs

Does the Adwatt 1.5 work without the visor?

Yes, HJC engineered this model to maintain aerodynamic efficiency even when the visor is removed.

How much does the helmet weigh?

It weighs approximately 260g without the shield and 320g with the shield attached.

What is the purpose of the Venturi dynamics?

Venturi dynamics use air pressure differentials to pull cool air through the helmet, significantly enhancing cooling during high-speed rides.

Can I replace the mirror shield if it gets scratched?

Replacement shields may be available through authorized HJC dealers; please check with your local bike shop for specific part availability.

How should I clean the exterior of the helmet?

Use a soft cloth dampened with water and a very mild soap, avoiding harsh chemicals that could damage the polycarbonate finish.

Troubleshooting

Helmet feels loose or unstable

Adjust the rear retention dial until snug and ensure the side dividers are positioned flat against your skin.

Mirror shield rattling while riding

Check that the shield attachment points are fully seated and clear of any grit or debris.

Interior pads develop odor

Remove the washable X-static pads and clean them according to the care instructions to restore the antimicrobial properties.

Pros and Cons

Pros

Excellent aerodynamic profile optimized in wind tunnels
Lightweight design weighing only 260g (without visor)
Efficient ventilation system despite aero-focused shape
High-quality included mirror shield and protective storage case
Anti-bacterial liner fabric for long-term freshness

Cons

Performance is best when in a dedicated aero-tucking position
Visor may require frequent cleaning to maintain visibility
More substantial profile compared to non-aero climbing helmets

Setup, Compatibility & Care

To set up your Adwatt 1.5, begin by adjusting the retention system to ensure a snug fit that does not move when you shake your head. Use the side dividers to position the strap Y-junction just below the earlobes for optimal comfort. For maintenance, remove the X-static pads periodically to wash them by hand with mild soap and cold water. Clean the mirror shield only with a microfiber cloth and water to avoid scratching the reflective coating. When not in use, always store the helmet in the provided premium case to protect the outer polycarbonate shell from dings and pressure damage.