Casco Hjc F31 san marco aspide and flexibility even at low

and flexibility even at low inflation pressures

thus offering a perfect proportion between the helmet volume and the rider’s size

Yamaha PW-ST

Dual-density Varizorb™ EPS liner

and also ideal for small-sized sloping frames (with reduced central triangle)

Casco Hjc F31 san marco aspide and flexibility even at lowTechnology: Advanced composite fiberglass shell: Lightness, fit, and superior comfort thanks to advanced CAD technology. Pinlock Ready HJ 43 VISOR: offers 99% UV protection, scratch resistant coating, two way pin ratchet, smooth ratchet movement, and improved sealing. Multi Step dynamic sun visor for optimized positioning. "ACS" Advanced Channeling Ventilation System: Full front to back ventilation expels heat and moisture from the helmet. Interior: