P-09 Cycling Helmet Size:M (56-60cm) no-tool adjustable spline design integrated

no-tool adjustable spline design integrated into lock body

most resilient gem on earth

Anti-fog and UV Protection

and other scenarios where no other tool will do

Extra wide range with front double 36-26T

P-09 Cycling Helmet Size:M (56-60cm) no-tool adjustable spline design integratedThe P 09 helmet utilizes the innovative technology of the Vorttice helmet with improved aerodynamics, improved ventilation, and an improved lens system. The frontal surface is reduced to a minimum, making the helmet more compact. The inferior part of the tail is reversed for a better airflow at the shoulders, and a Speed Port allows air that enters at the front of the helmet to exit through vents behind the ears and release any pressure. A better vent