Ronstan RF15202 15mm Double Block Loop Head – Series 15 Pulley NZ

The Ronstan RF15202 Series 15 Double Block with Loop Head is a compact, lightweight, and high-performance sailing pulley designed for efficient line control in demanding applications. Featuring dual 15mm sheaves with precision ball bearings, it delivers smooth, low-friction performance ideal for high-load control systems.

Constructed with UV-stabilised acetal sheaves and stainless steel cheeks, the RF15202 provides excellent durability and corrosion resistance in New Zealand’s harsh marine conditions. Its loop head with integrated O-ring allows flexible attachment via lashing or line, while keeping the running line separated for improved efficiency and reduced wear.

Perfect for dinghies, trailer yachts, and performance sailing setups, this double block is commonly used in vang, cunningham, outhaul, and control line purchase systems, where increased mechanical advantage is required. Key Features

- Double 15mm sheaves for increased purchase and efficiency
- Ball bearing system for ultra-low friction performance
- Loop head with O-ring for flexible lashing attachment
- 316 stainless steel cheeks for corrosion resistance
- UV-stabilised acetal sheaves for durability
- Lightweight, compact, and maintenance-free design
- Ideal for vang, cunningham, outhaul, and control systems Specifications

- Sheave Diameter: 15mm
- Max Rope Diameter: 5mm
- Maximum Working Load: 240kg
- Breaking Load: 700kg
- Weight: Approx. 23g
- Construction: Acetal sheaves, stainless steel cheeks
- Head Type: Loop head with O-ring Why Choose the Ronstan RF15202?

For New Zealand sailors, reducing friction while maximising control is essential. The RF15202 offers a high-efficiency double block solution, delivering increased mechanical advantage in a compact, ultra-lightweight form.

Its durable construction and versatile attachment design make it ideal for performance dinghies and precision rigging systems, ensuring reliable operation in both coastal and racing conditions.