Our Gold Label HD ceramic brake pad was designed with e-mountain bikes & heavier riders in mind. Made with proprietary blends of Kevlar®, MTX CeraEVO® ceramic materials and other Japan-sourced additives and modifiers, we are bringing the performance benefit of ceramic to the cycling industry. FEATURES: Durability - Our Gold Label HD ceramic is built for heavy bikes, heavy riders and extreme terrain. Fade-Resistance - A compound created to offer incredible protection over heat-induced brake fade Control - Maintain feeling and control at the lever all while maximizing power and heat-management