The A3 mountain bike helmet is a new standard in premium mountain bike helmets with luxurious comfort, patent-pending innovations in safety, ventilation that will you keep you cool on the longest climbs with comfort and coverage to protect on the sketchiest of descents. This helmet is designed and intended exclusively for use by bicycling activities, including mountain biking and off-road cycling.
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- Co-molded EPP and EPS
- Mips B-Series Rotational Impact Brain Protection System
- Advanced layering 3-piece shell
- 3-Way Magnajust visor
- Sweat Glide System - EVA wicking foam
- 2-piece Ionic comfort liner
- 16 vents optimally tuned with the channeling of the helmet
- Premium 3D Fidlock magnetic buckle system
- Composite smart shear screws
- 415G
- Certification - CPSC 1203, CE EN 1078, AS NZ 2063:2008
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Head CircumferenceInches | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 25 | 25v |
Hat | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 |
CM | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 |
