Ronstan RF15000 15mm Ball Bearing Sheave – Series 15 Acetal NZ

The Ronstan RF15000 Series 15 Ball Bearing Sheave (15mm) is a precision-engineered, ultra-lightweight pulley wheel designed for custom rigging systems, block repairs, and high-performance sailing applications. Featuring a 15mm acetal sheave running on stainless steel ball bearings, it delivers exceptionally smooth, low-friction performance.

Constructed from UV-stabilised acetal, the RF15000 offers excellent resistance to wear, impact, and harsh New Zealand marine environments. Its compact and lightweight design makes it ideal for dinghy control systems, vang setups, cunningham systems, and internal block configurations.

Whether you’re replacing worn sheaves or building a custom pulley system, this Ronstan component provides reliable, high-efficiency performance in a minimal footprint. Key Features

- 15mm precision-moulded acetal sheave for compact performance
- Stainless steel ball bearings for ultra-low friction operation
- UV-stabilised material for durability in marine environments
- Lightweight design (approx. 2g) for performance applications
- Ideal for custom blocks, repairs, and internal pulley systems
- Trusted Ronstan Series 15 marine hardware Specifications

- Sheave Diameter: 15mm (5/8")
- Width: 7mm
- Bore Diameter: 4.7mm
- Max Rope Diameter: 4–5mm
- Maximum Working Load: 120–150kg
- Breaking Load: up to 300kg
- Material: UV-stabilised acetal with stainless ball bearings
- Weight: Approx. 2g Why Choose the Ronstan RF15000?

For New Zealand sailors, maintaining efficient and lightweight rigging systems is critical. The RF15000 provides a simple, cost-effective solution for upgrading or repairing pulley systems, ensuring smooth line handling and reduced friction.

Its compact size and precision engineering make it ideal for dinghy sailing, performance rigs, and custom setups, delivering reliable performance in coastal and offshore conditions.