Ronstan RF81 Double Block – 30mm loop top sailing pulley with dual acetal sheaves for marine rigging Ronstan RF81 Double Block – 30mm loop top sailing pulley with dual acetal sheaves for marine rigging
Ronstan RF81 Double Block – 30mm loop top sailing pulley with dual acetal sheaves for marine rigging

Ronstan

Ronstan RF81 30mm Double Block – Loop Top Pulley for Sailing

$50.50
Tax included.

The Ronstan RF81 Double Block (30mm) with loop top is a versatile, lightweight pulley designed for use on dinghies, catamarans, and small keelboats. Featuring dual 30mm acetal sheaves and stainless steel housing, it offers smooth, efficient rope handling with excellent durability in marine environments.

The loop top configuration allows for flexible mounting using rope, webbing, or lashing—ideal for applications where minimal hardware is preferred. Whether used for mainsheet systems, control lines, or halyard setups, the RF81 delivers reliable performance in a compact package.

Specifications:

  • Product Code: RF81

  • Sheave Diameter: 30mm

  • Max Rope Diameter: 8mm

  • Sheave Type: Acetal

  • Cheek Material: stainless steel

  • Top Style: Loop top (lashing or soft attachment)

  • M.W.L. (Maximum Working Load): 300kg

  • B.L. (Breaking Load): 600kg

  • Weight: Approx. 40g

Key Features:

  • Double 30mm sheaves for versatile line control

  • Lightweight yet strong reinforced construction

  • Smooth-running acetal sheaves reduce friction

  • Loop top design supports soft attachment for reduced weight and noise

  • Ideal for use on performance dinghies and small racing yachts

The Ronstan RF81 is an excellent choice for high-performance sailors who need lightweight, dependable pulley systems on deck. Available now from Barton Marine NZ.