Ronstan RF30100 30mm Ball Bearing Pulley – Single with Swivel Shackle

The Ronstan RF30100 30mm Ball Bearing Single Pulley with Swivel Shackle is a high-performance, lightweight block designed for smooth and efficient rope handling on small boats and dinghies. It features UV-stabilised acetal sheaves and grade 316 stainless steel cheeks, ensuring durability, corrosion resistance, and long-lasting performance.

Equipped with low-friction ball bearings, the RF30100 delivers excellent load-carrying capability with minimal effort. The swivel shackle head allows full rotation and easy alignment, making it ideal for dynamic systems like vang, cunningham, or control lines on performance dinghies and sportsboats.

Compact, efficient, and built for serious sailors, it’s a dependable choice for light-to-medium load applications.

✅ Key Features

• Sheave Diameter: 30mm

• Max Rope Diameter: 8mm

• Breaking Load: 700kg

• Working Load Limit: 300kg

• Bearing Type: Acetal ball bearings for low-friction performance

• Swivel Head: Stainless steel shackle for versatile mounting

• Construction: UV-stabilised acetal sheave & 316 stainless cheeks

• Use Case: Dinghies, control lines, light air blocks

• Brand: Ronstan – performance hardware for sailors worldwide