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Prices include all taxes and duties to mainland UK, Northern Ireland and the Republic of Ireland. Read more
Giro Ratio Helmet Men matte black
What size fits me?
Choose head circumference
S | 52-55,5cm
M | 55,5-59cm
L | 59-62,5cm
XL | 62,5-65cm
30 day return policy
Free delivery from £99 2
The Ratio is a no-nonsense helmet that is inspired by the features of Giro's premium helmets, but at an affordable price. Under the sleek silhouette you'll find the adjustability of an in-fit system, thermostat control adjustable ventilation and compatibility with Outdoor Tech aftermarket audio systems.
Compatible with all Giro retrofit audio systems
Ski and Snowboard
With belt adjustment system
In Form Fit System
10 Super-Cool ventilation openings
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