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Ronstan 30 mm Orbit series double block, ideal for application in dinghy circuits. Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimal number of ball bearings for minimum friction, while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.
Ronstan 30mm series single swivel block. The low-friction 2-stage ball bearing system offers consistent performance across the entire workload range. High static and dynamic load capacity. Light weight Versatile head accessories.