Bike Accessories > Giro Ionos Astana - Road Bikes / Triathlon Bikes / Mountain Bikes / BMX Bikes

Giro Ionos Astana

Only £159.95

Simply put, Ionos is the most technologically advanced road cycling helmet Giro has ever created.

The Ionos is the most technologically advanced road cycling helmet Giro has ever created offering unparalleled style and ground breaking ventilation
21 enormous Wind Tunnel vents and optimally placed internal exhaust channels maximize air flow across your head, ensuring that you stay cool on the hottest days and over the longest climbs
15 percent better ventilation than the class leading Atmos
A visible weave of composite called In-Mould Composite subframe, runs throughout the helmet liner and around the vents
The use of composites in the sub-frame provides incredible structural support, impact dispersion and resistance to penetration
Allows great big vents without compromising protective capability
X-Static fabric pads are woven with pure silver fibres and kill 100 percent of bacteria
Inhibits growth of odour-causing bacteria and fungi within 4 hours after a ride!
Helps you stay cooler in summer and warmer in winter
RocLoc 4 fit system
Meets CE EN1078 certification

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Road Bikes / Triathlon Bikes / Mountain Bikes / Bike Accessories / Zipp Wheels / Kona Bikes / City Bikes /

Performance Bike / Cervelo Bikes / Felt Bikes / Oakley Sunglasses /

All bikes including Road Bikes at 5339 are thoroughly checked over by bike professionals and setup before despatch. Most bikes only need minor assembly before use. 5339 specialise in Triathlon Bikes and Road Bikes.

5339 strive to provide excellent customer service when selling all of our bikes and Road Bikes, we will do our best to help you find the bike that is exactly right for you.