Specialized Propero 4 Helmet Size:L Automatically shifts the operating frequency

Automatically shifts the operating frequency to minimize noise and chatter from electromagnetic fields on the location

PRODUCT WEIGHT : 285G (SIZE UNIVERSAL ADULT CPSC

Bag Weight Petite: 2lb 14oz / 1

extremely robust and very durable

also suitable for abseiling

Specialized Propero 4 Helmet Size:L Automatically shifts the operating frequencyMeet the all new Propero 4 helmetit brings the aero advantages of the S Works Evade 3 together with the ventilation of S Works Prevail 3, all with the comfort and confidence Specialized helmets are famous for, earning the highest 5 Star Virginia Tech helmet rating. Every detail of the Propero 4 was created with our equation for speed in mind. Aerodynamics + Ventilation + Lightweight = Fast. AERODYNAMICS: With extensive testing in CFD and in our Win