🔧 Elevate Your Machine's Performance with Precision Engineering! Adaptable for various speed ratios with a 4-slot design. Weighs only 410g, making it easy to handle and install. Designed for A-type V-belts and timing belts for seamless integration. Crafted from high-quality aluminum for long-lasting performance. Experience strong damping ability with minimal noise. low noise 16mm bore 4-step design The CNBTR 16mm Bore Aluminum A Type 4 Step Pulley Wheel is a robust and versatile component designed for various machines. With a durable aluminum construction, it features a 4-slot design for different speed ratios, ensuring adaptability and efficiency. Its low noise operation and compatibility with A-type V-belts and timing belts make it an essential addition for any professional looking to enhance their machinery.