Specialized Propero 4 Helmet Color:White Its optimized tread design and

Its optimized tread design and reduced knob height cut weight by 55g and improve rolling resistance by 5%

Available in Wide Trail (WT) Casing: Optimized for modern rims (30–35mm internal width)

The two ultra-bright LEDs cast 1700 lumens in an optimized beam to light the trail

Troy Lee Designs gloves are all researched

Specialized Propero 4 Helmet Color:White Its optimized tread design andMeet 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