Ronstan 20mm Ball Bearing Pulleys – Compact Marine Blocks

Discover Barton Marine’s selection of Ronstan 20mm ball bearing pulleys, perfect for light-load sailing applications. These compact yet powerful pulleys offer low-friction performance, making them ideal for dinghies, small sailboats, and control systems. Featuring high-quality ball bearings, UV-resistant materials, and marine-grade durability, these pulleys are built to withstand harsh conditions while delivering precision and efficiency. Whether used for vang systems, outhauls, or traveler setups, Ronstan’s 20mm pulleys ensure smooth, reliable operation every time.