SECURE CLAMPING THAT'S LIGHT AND STRONG FOR DIRECT CONNECTION AND CONTROL e*thirteen Plus 35 Stems are made from ultra-strong AL-7050-T7 alloy to reduce weight and designed with clamps that won't loosen, no mater how hard you ride. Our rider insight driven 132 opposing steerer clamp bolts deliver optimal knee clearance, while maintaining alignment during tightening. The Plus 35 Stem is highly machined with a two tone anodized finish for high quality looks as well as function. Now offered in stealth black, and four color options: Bronze, Naranja, Eggplant and Intergalactic to color coordinate with the other parts on your dream build.