The Ratio™ is a no-nonsense helmet that boasts the features found on premium helmets at a more accessible price.
Beneath the sleek silhouette, you'Tll find the adjustability of an In Form fit system, Thermostat Control adjustable venting and compatibility with aftermarket audio systems by Outdoor Tech. The Ratio is also available with Mips® – which can offer more protection in certain impacts by redirecting impact energy.
KEY FEATURES
- Hard Shell Construction
- In Form™ Fit System
- Thermostat Control™ adjustable venting
- Stack Vent
- Seamless Compatibility with all Giro goggles
- S: 52-55.5cm
- M: 55.5-59cm
- L: 59-62.5cm
