The SRAM Level Bronze Stealth 4-Piston Hydraulic Disc Brake Caliper is a high-quality braking component designed for mountain bikes. Made from durable aluminum, this caliper is compatible with SRAM brand components and features a sleek stealth design. With front and rear positioning options, this set includes one caliper and is lightweight at 0.3200 lbs. The 4-piston design provides powerful and reliable braking for a smooth and safe cycling experience.