Giro Atmos Road/Racing Bike Helmet (Medium, White/Silver)

FEATURED Giro Atmos Road/Racing Bike Helmet (Medium, White/Silver)
Wind Tunnel Ventilation - 26 huge vents with fully optimized channelingRoll Cage technologyInternal webbing attachmentIn-mold Composite ReinforcementRoc Loc 5 fit system
The Giro Atmos Road and Racing helmet provides legendary performance, style and comfort - and features the new Roc Loc 5 fit system. After more than ten years of refinement, this ground-breaking fit system provides an entirely unique use experience with an unmatched level of comfort, stability, adjustability and weight savings. With Roc Loc 5, you can easily dial-in both fit tension and adjust vertical position with a single hand. Just twist the dial for a tighter feel on tough terrain, then back it off a notch and relax across the flats or a warm climb. Even with these remarkable features, Roc Loc 5 is still 40-percent lighter than its popular predecessor, Roc Loc 4. Roc Loc 5 systems is: 1) Micro Dial. The heart of the Roc Loc 5 is this ratcheting, micro-adjusting dial. A simple, two-finger twist of the Micro Dial opens or closes the retention system and each click is audible. 2) Three-Position Vertical Fit - It's never been easier to change vertical positions and fine-tune fit. We i

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