These SwissStop Disc 32 E-Bike Compound Brake Pads are a great addition to your bike. They are made for disc brakes, both hydraulic and mechanical, and are compatible with a variety of bike types, including electric, road, and mountain bikes. The silver color and model number, Disc E, make them easy to identify. These brake pads are manufactured by SwissStop and have a part number of P100005157. They are designed to work with SRAM HRD, eTap, and Level Ultimate systems. Whether you're a professional cyclist or just enjoy a leisurely ride, these brake pads are a reliable choice for your bike.