First and foremost, a mountain bike helmet should be comfortable and durable. The Phase™ is true to the core—light, cool and durable enough to handle even the most daunting climbs and rock-strewn ribbons of singletrack. With the easy fit and adjustability of Roc Loc® 5 and the comfort of Super Fit™ sizing, it’s a top performer for riders looking for a low-profile helmet at a great price.
ACU DIAL ™
2 Our Acu Dial 2 fit system offers the convenience of single-handed adjustment, plus variable-fit belt anchor points providing a brilliant fit and feel. Acu Dial 2 is slim, durable, and even ponytail-compatible.
SUPER FIT™ ENGINEERING FOR BIKE HELMET
A great helmet is so comfortable that once it’s on, it virtually disappears. Our proprietary three-size Super Fit system is based on “human scale factors” data and over 20 years of crafting helmets for the best bike riders in the world. The result is pure Skull Hugging Luxury™, a helmet that fits 98% of the world’s population, yet looks (and fits) like it was custom made just for you.
This helmet conforms to, or exceeds EU Standards only.
Buy Giro Protection from Chain Reaction Cycles, the World’s Largest Online Bike Store.