- Helmets
- Triathlon / TT helmets
- hjc adwatt 1.5 tt triathlon helmet in white
- The HJC Adwatt 1.5 triathlon helmet strikes the perfect balance between aerodynamics, ventilation and comfort for particularly long rides.HJC used the hour record winning Adwatt helmet model as the base for the 1.5 using enhanced wind tunnel testing at the South Korean companys bespoke facility in Seoul, the triathlon helmet is tailored for the drag force that is exerted on the helmet out on the road.The helmet keeps your head cool thanks to advanced air channels and venturi dynamics which suck cool air through the helmets front vents and expel them through the rear vents, ensuring a constant flow of cool air over your head.X-static fabric is used inside the helmet to keep the Adwatt 1.5 and your head fresher for longer. The fabric is made by permanently bonding 99.9% metallic silver to fibres.The helmet is complete with a removable mirror shield for maximum aerodynamics. With the shield, the helmet is a featherlight 320g. Without the visor, it is 260g.Features:Wind tunnel tested triathlon helmetAerodynamic designVenturi dynamicsIn-mould constructionAdvanced air channelMirror shieldX-static fabricAdjustable wide divider320g (10) (including shield)
How does shipping work in the UK?
For smaller items (excluding bikes) We offer a variety of shipping options within the UK. Giving you the choice on your shipping time. You'll see 3 options on shipping times and prices from Royal Mail on our checkout page, each will require a signature on delivery.
The 3 options are:
Royal mail Tracked 24 - 1 to 2 working days
Royal mail Tracked 48 - 2 to 4 working days
Royal mail Special Delivery (Before 1pm) - Next Working Day
For complete bikes we offer 2 options:
Bike Delivery (Boxed) - 4-6 working days
Bike Delivery (Built) - 7-10 Working Days
International shipping. What to expect.
We ship worldwide, and international shipping usually goes smoothly.
Please note that you’ll be responsible for any duties or taxes once your order arrives in your country. The carrier will typically contact you to complete the necessary steps for delivery—this often includes paying applicable fees or taxes.
All imported goods must go through customs, which is entirely outside of our control. This process can take anywhere from a few hours to several weeks, depending on your country’s regulations.
Once your order ships, you'll receive a tracking number. We see the same tracking updates that you do, so we recommend keeping a close eye on them to stay informed.