Ronstan RF51101 50mm single loop head pulley block Ronstan RF51101 50mm single loop head pulley block
Ronstan RF51101 50mm single loop head pulley block

Ronstan

Ronstan RF51101 50mm Single Loop Block | Sailing Pulley

$65.40
Tax included.

The Ronstan RF51101 is a compact and strong 50mm single loop block from the Ronstan Series 50, engineered for medium-load rigging systems. Featuring a loop head for fixed mounting and 316 stainless steel cheeks, this block delivers durability, corrosion resistance, and smooth operation in harsh marine conditions.

Ideal for vangs, outhauls, cunninghams, and control lines, the RF51101 combines a UV-resistant acetal sheave with precision-engineered components for efficient load handling on dinghies, keelboats, and small yachts.

✅ Key Features

  • Ronstan RF51101 – 50mm single block with loop head

  • UV-resistant acetal sheave for smooth line handling

  • 316 stainless steel cheeks for strength and corrosion resistance

  • Loop head for secure, fixed mounting

  • Ideal for outhauls, vang systems, and control lines

  • Medium-load capacity for dinghies and small keelboats

  • Lightweight, compact, and easy to install

  • Part of the Ronstan Series 50 block range

Ronstan RF51101 50mm Single Pulley Loop Top specifications:

  • Sheave Diam. 50mm
  • Max. Rope Diam. 12mm
  • Max. Working Load 750kg
  • Breaking Load 1500kg