Mzcurse Cycling Road Bicycle PC EPS Bike Adult Bike Security Head Helmet Carbon Visor Handsome and elegant, impact, crashworthiness, not brittle to withstand the high intensity, strong foam density, internal structure: high-quality foam layer, the adjustment within the twist, you can adjust the size of head helmet body: use ONE STEP technical material, EPS increases impact resistance of composite materials Ultra-light materials, wear light; wind tunnel, duct design, effectively reduce wind resistance.