Ronstan RF15174 15mm Pivoting Lead Block – Series 15 Pulley NZ
The Ronstan RF15174 Series 15 Pivoting Lead Block is a compact, high-performance pulley designed for leading control lines efficiently across decks and cockpit layouts. With its pivoting base, it automatically aligns with changing load directions, reducing friction and improving line handling.
Built with a 15mm UV-stabilised acetal sheave running on stainless steel ball bearings, the RF15174 delivers smooth, low-friction performance—ideal for high-speed dinghy and small yacht applications.
The four-point mounting base provides excellent stability and load distribution, making it perfect for fixed deck installations where consistent alignment and durability are essential.
Constructed with 316 stainless steel cheeks, this block is engineered to withstand New Zealand’s harsh marine conditions while maintaining long-term reliability. Key Features
- Pivoting lead design for automatic alignment under load
- 15mm ball bearing sheave for smooth, low-friction operation
- Four fastener holes for secure deck mounting
- UV-stabilised acetal sheave for durability in marine environments
- 316 stainless steel cheeks for corrosion resistance
- Compact and lightweight for dinghies and small yachts
- Ideal for control lines, vang systems, and sheet leads Specifications
- Sheave Diameter: 15mm
- Bearing Type: Stainless steel ball bearings
- Mounting: 4-hole fixed base
- Material: Acetal sheave, stainless steel cheeks
- Type: Pivoting lead block
- Application: Deck-mounted line lead and control systems Why Choose the Ronstan RF15174?
For New Zealand sailors, clean and efficient line routing is critical for performance and safety. The RF15174 offers a simple, high-performance solution that keeps lines aligned and running smoothly—even as loads shift during sailing.
Its pivoting design makes it ideal for dynamic control systems, ensuring reduced wear, lower friction, and improved responsiveness—perfect for dinghies, trailer yachts, and performance setups in conditions.