Ronstan Series 20 Ball Bearing Single Block with Becket and Loop Top RF20111 – front view

Ronstan Series 20 Ball Bearing Single Block with Becket and Loop Top, RF20111

Ronstan
SKU:
RF20111
|
UPC:
9316800255535
AUD $18.95
AUD $22.13
(You save AUD $3.18 )
Current Stock:
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Description

The Ronstan Series 20 Ball Bearing Single Block with Becket and Loop Top (RF20111) delivers smooth, efficient performance in a compact and lightweight design. Perfect for dinghies, small keelboats, and performance multihulls, it’s engineered for minimal friction and long-term durability in harsh marine environments.

This block features high-grade stainless steel ball bearings running on a polished stainless steel race, ensuring effortless rotation under both high dynamic and static loads. The integrated becket allows for convenient line terminations, ideal for use in vangs, cunninghams, outhauls, and control line systems.

Constructed with a UV-stabilised reinforced polymer housing and 316 stainless steel components, the RF20111 provides the strength and reliability sailors expect from Ronstan. Lightweight, compact, and race-proven — it’s a dependable choice for performance sailing and high-load control systems.

Single block with becket. Loop head suits a variety of attachment methods

FEATURES

Low friction.

High static and dynamic load capacity.

Lightweight

Specifications

Product Specifications
Type of Block Single
Sheave diameter (mm) 20mm
B.L. (kg) 550
M.W.L. (kg) 250
Max. Rope diameter (mm) 6
Weight (g) 18