Ronstan 15mm Ball Bearing Pulleys – Compact & Lightweight Blocks

Get maximum performance in a minimal package with Ronstan 15mm ball bearing pulleys, ideal for dinghies, small keelboats, and high-performance sailing applications. These compact pulleys are designed for smooth operation under load, with low-friction acetal ball bearings and UV-stabilised materials for long-lasting durability.

Perfect for control lines, outhauls, cunninghams, and vang systems, the Ronstan 15mm pulley series offers high strength-to-weight ratios and efficient line handling even in tight rigging setups. Trusted by sailors around the world, Ronstan delivers quality hardware built for the demands of competitive and recreational sailing.

Shop now at Barton Marine – NZ’s home for premium sailing hardware and pulley systems.