Inner Diameter Options Available in 19 mm or 24 mm inner diameter to match a range of shaft sizes, enabling compatibility with various compressors and pumps. Sturdy Aluminum Alloy Build Made from grade aluminum alloy for durability and resistance to wear in demanding operation environments. Atype single groove design that stands up to routine use in industrial settings. Efficient Keyway Design Keyway widths of 6 mm or 8 mm to fit Atype triangular belts, promoting secure mounting and efficient power transmission. Accurate Dimensions for Fitting Approximate diameter: 100 mm. Belt groove width: 13 mm. Precise specifications to ensure a reliable fit in your drive system. Benefits and why you need it Wide compatibility: Two inner diameter options enable use with a variety of compressors and pumps. Durable performance: Aluminum alloy construction provides longlasting wear resistance. Efficient drive: Keyway compatibility with Atype triangular belts improves belt engagement and efficiency. Reliable fit: Clear, precise dimensions reduce the risk of misalignment or belt slip. Applications Replacing a worn pulley in air compressors or small industrial pumps to restore performance. Upgrading belt drives in machinery that uses Atype triangular belts for improved efficiency. Retrofit projects requiring a 100 mm pulley with a 13 mm belt groove for precise fitment in drive systems.