Ronstan

Ronstan RF45151 40mm Cheek Block | Series 40 Fixed Mount Pulley

$56.90
Tax included.

The Ronstan RF45151 Cheek Block is a fixed-mount 40mm pulley block designed for deck, bulkhead, or mast installation. Part of the Ronstan Series 40, it features a UV-stabilised acetal sheave, ball bearing system, delivering high strength and low-friction performance in a compact, durable form.

Ideal for vangs, outhauls, cunninghams, and control lines, the RF45151 provides clean, reliable line routing in space-restricted areas. It’s built to withstand harsh marine conditions and is a go-to block for efficient fixed-point rigging on dinghies, keelboats, and small yachts.


Key Features

  • Ronstan RF45151 – 40mm cheek block for fixed mounting

  • Ball bearing acetal sheave for smooth line handling

  • Designed for mounting on decks, masts, or bulkheads

  • Ideal for vang, outhaul, and control line setups

  • Compact, low-profile design for tight rigging spaces

  • Suitable for dinghies, keelboats, and small yachts

  • Part of the Ronstan Series 40 block range

Ronstan RF45151 40mm Cheek Block specifications:

  • Sheave Ø 40 mm
  • Max. Rope Ø 9 mm
  • M.W.L. 325 kg
  • B. L. 700 kg
  • Weight 32 g