MET Trenta MIPS Helmet Discover the peak of cycling helmet engineering with the MET Trenta MIPS, designed to celebrate the brand's 30 years of innovation and aimed at elite cyclists. Helmet type : Road cycling for elite. Advanced aerodynamics with NACA air intakes. Venturi effect ventilation system. MIPS-C2® safety technology. Weight : 290g. Materials : Lightweight, robust construction with comfortable fit.