Ronstan RF41831 – 40mm Triple Deck Organiser for Halyards & Control Lines

The Ronstan RF41831 40mm Triple Deck Organiser is the ultimate solution for streamlined rope management on yachts and multihulls. Designed for leading halyards, reefing lines, and control lines from the mast base to the cockpit, this triple-sheave organiser ensures clean, efficient deck layouts.

Built with UV-resistant glass-fibre reinforced nylon and a corrosion-resistant anodised alloy base, the RF41831 handles heavy loads while withstanding harsh marine environments. Its smooth-running 40mm acetal sheaves reduce friction and minimise wear on lines, making it ideal for high-performance and cruising setups alike.

Specifications:

• Product Code: RF41831

• Sheave Diameter: 40mm

• Number of Sheaves: 3 (triple)

• Line Capacity: Up to 12mm

• Sheave Material: Acetal

• Housing Material: Glass-fibre reinforced nylon

• Base Material: Anodised aluminium

• Fixing Centres: 80mm

• Mounting Style: Flat deck mount

• Maximum Working Load (M.W.L.): 500kg per sheave

• Breaking Load (B.L.): 1000kg

• Weight: Approx. 230g

Key Features:

• Triple-sheave design for multi-line routing

• Smooth acetal sheaves for low-friction performance

• Stackable for compact deck configurations

• UV-stable and corrosion-resistant construction

• Ideal for halyards, reefing lines, and sail control systems

• Suits racing yachts, cruising boats, and multihulls

Optimise your deck layout with the Ronstan RF41831 40mm Triple Deck Organiser, trusted by sailors for clean, efficient rope handling. Available now at Barton Marine NZ.