The Ronstan 20mm block is a small yet robust sailing component designed for various rigging and line management tasks on yachts and boats. With its compact size, it's ideal for applications where space is limited or where lighter loads are involved. These blocks feature durable construction and smooth bearings to ensure reliable performance under sailing conditions. Commonly used for control lines, vang systems, and other rigging setups, the Ronstan 20mm block provides efficient line management and helps optimize sail control for improved sailing experiences.
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20101 Series 20 Ball Bearing Single Block with Loop Top is a high-performance piece of sailing hardware, engineered for minimal friction and maximum load capacity. Weighing just 16 grams, it ensures smooth operation even under heavy loads, making it ideal for both leisurely cruising and competitive sailing. With a Breaking Load (B.L.) of 550 kilograms and a Maximum Working Load (M.W.L.) of 250 kilograms, this block offers versatility and reliability in a compact, lightweight package. Its precision engineering and advanced materials make it the perfect choice for sailors seeking efficiency and performance.
|
€ 25,03
Item:
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20111 Series 20 Ball Bearing Single Block with Becket and Loop Top is a marvel of marine engineering, designed to provide minimal friction and maximum load capacity. Weighing just 18 grams, this lightweight block ensures smooth operation even in challenging conditions. With a breaking load (B.L.) of 550 kilograms and a maximum working load (M.W.L.) of 250 kilograms, it’s built to withstand the toughest sailing scenarios. Compatible with ropes up to 6 millimeters in diameter, it offers versatility and reliability, making it the perfect choice for sailors seeking high-performance rigging solutions.
|
€ 16,91
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20202 Series 20 Ball Bearing Double Block with Shackle is a revolutionary component designed to elevate your sailing rigging setup. Featuring a Dual Axis Shackle Head for unparalleled flexibility, this block ensures smooth, low-friction movement even under heavy loads. With a breaking load (B.L.) of 700 kilograms and a maximum working load (M.W.L.) of 350 kilograms, it offers the perfect balance of strength and lightweight agility. Ideal for both seasoned sailors and beginners, the RF20202 provides top-tier performance and reliability for every sailing scenario.
|
€ 34
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20212 Series 20 Ball Bearing Double Block with Becket and Shackle is a precision-engineered sailing accessory designed for enhanced rigging efficiency. Featuring a dual-axis head for flexible positioning, it integrates seamlessly into diverse setups. The low-friction operation ensures smooth maneuvering, while its robust design withstands high loads. Despite its strength, the block remains lightweight and versatile, with a breaking load of 700 kg and a maximum working load of 350 kg. Ideal for both competitive sailing and casual cruising, this block promises reliability and exceptional performance on the water.
|
€ 37,70
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20302 Series 20 Ball Bearing Triple Block with Shackle is a top-tier sailing accessory designed for competitive environments. Featuring a low-friction design and three 20mm diameter sheaves, this lightweight block offers exceptional performance and control. With impressive load-bearing capabilities, including a Breaking Load (B.L.) of 850 kg and a Maximum Working Load (M.W.L.) of 400 kg, it’s built to withstand the toughest sailing conditions. Ideal for dinghy vangs and skiff rig tensioning systems, this block ensures smooth operation and enhanced efficiency on the water, providing sailors with the reliability they need for optimal performance.
|
€ 47,20
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20312 Series 20 Ball Bearing Triple Block with Becket and Shackle is a high-performance sailing accessory engineered for precision and durability. Featuring smooth 20mm sheaves designed to minimize friction, this lightweight block offers seamless operation, making it ideal for vang systems on dinghies or rig tensioning on skiffs. With an impressive load-bearing capacity, weighing just 64 grams, and offering versatile compatibility, it delivers unparalleled performance, whether for leisure cruising or competitive racing. It is the ultimate choice for sailors who seek reliability and efficiency on the water.
|
€ 51,90
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20141 Series 20 Stand-Up Ball Bearing Block is a high-performance sailing accessory designed for precision and reliability. With a focus on reducing friction, this block ensures smooth sailing and efficient operation, even under high loads. Boasting a maximum working load of 250 kilograms and a breaking load of 550 kilograms, its lightweight yet durable design provides versatility across various sailing applications. Engineered for both ease of installation and optimal performance, it is the ultimate choice for sailors seeking excellence and control on the water.
|
€ 21,74
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20332 Series 20 Ball Bearing Triple Block with Becket, Cleat, and Shackle is a sophisticated sailing accessory that combines low-friction ball bearing technology, high load capacity, and lightweight design. Engineered for both casual cruising and competitive racing, it ensures smooth, efficient operation under heavy loads while maintaining strength and durability. This triple block offers unparalleled reliability and performance, making it an essential choice for sailors looking to optimize their rigging systems.
|
€ 87,33
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20151 Series 20 Ball Bearing Cheek Block epitomizes excellence in marine engineering. Designed with a sleek, low-friction construction, it ensures smooth operation under high loads while remaining lightweight and durable. Featuring a double through-bolt mounting system for maximum stability, this block excels in high-performance sailing applications. With impressive load capacities and reliable strength, the RF20151 is a dependable choice for enhancing rigging systems, whether outfitting a new vessel or upgrading existing hardware.
|
€ 16,10
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20151A Series 20 Ball Bearing Single Cheek Block is a high-performance sailing hardware solution designed for smooth maneuvers and superior load-bearing capability. Its low-friction ball bearing mechanism ensures effortless operation, while its lightweight yet durable construction can handle heavy loads with ease. Featuring a versatile rivet mount for easy installation, this block is the perfect choice for sailors seeking efficiency and reliability in both casual cruising and competitive racing.
|
€ 21,51
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20100 Series 20 Ball Bearing Single Block with Swivel Shackle is a premium piece of sailing hardware, designed to deliver exceptional performance with minimal friction. Featuring a robust ball bearing system, it ensures smooth operation even under heavy loads, while its lightweight design promotes agility. With impressive load capacities and a precise 3mm pin diameter, this block offers a reliable and sophisticated rigging solution for sailors seeking excellence in every maneuver.
|
€ 22,81
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20184 Series 20 Ball Bearing Single Block with Loop Mount is a versatile and reliable sailing hardware solution, designed for both recreational and competitive sailors. Featuring a low-friction ball bearing system, it ensures smooth rigging movement and precise control. The robust Loop Mount guarantees secure attachment to decks or other surfaces, while its lightweight yet strong construction offers impressive load capacity, making it a perfect choice for any sailing adventure.
|
€ 19,03
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20281 Series 20 Ball Bearing In-Line Double Block is a versatile sailing companion designed for smooth, low-friction performance and impressive load capacity. Lightweight yet robust, it accommodates various rope diameters and handles dynamic and static loads with ease. Precision-engineered for sailing excellence, this block ensures reliable and efficient rigging, making it the perfect choice for both recreational and competitive sailors.
|
€ 33,60
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20284 Series 20 BB Block with Loop Top Linked design offers exceptional performance and reliability for sailors of all levels. Featuring an innovative ball bearing system, these blocks provide smooth operation under high loads, accommodating ropes up to 6mm in diameter. With impressive load capacities, a lightweight design, and versatile mounting options, these blocks ensure reliable performance and contribute to enhanced boat agility, making them a must-have for both racers and cruisers.
|
€ 27,28
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20711 Series 20 Ball Bearing Exit Block offers exceptional performance and durability for various sailing applications. With a safe working load (SWL) of up to 275 kg for the RF20711HL and 250 kg for the RF20711A, this exit block is engineered for challenging maneuvers. Its ball bearing system ensures smooth rotation, reducing friction for improved control and responsiveness, even under high loads. This block accommodates ropes up to 6 mm in diameter and is built for reliable, long-lasting use.
|
€ 34,76
Item:
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan Series 20 Ball Bearing Single Upright Lead Block is meticulously engineered to enhance sailing rig efficiency. With a sleek design and robust construction, it promises smooth operation and reliable functionality in demanding conditions. Its single upright configuration ensures optimal load distribution, while accommodating various fasteners for easy integration into any rigging setup. Offering a breaking load of 550 kilograms and a maximum working load of 250 kilograms, it's built to withstand heavy loads with ease. Versatile and lightweight yet durable, the Ronstan Series 20 is a testament to quality and innovation in sailing hardware, promising to elevate the performance of any sailboat.
|
€ 21,07
Item:
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan Series 20 Ball Bearing Single Pivoting Lead Block is designed for precision, durability, and unmatched maneuverability. With a 180-degree pivoting sheave, advanced ball bearings, and impressive load capacities, this robust lead block integrates seamlessly into your rigging system, making it a must-have for both cruising and competitive sailing.
|
€ 38,19
Item:
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF20175 Series 20 Ball Bearing Pivoting Lead Block with Small C-Cleat & Fairlead is a high-performance sailing essential, designed for smooth and effortless line handling. Featuring advanced ball bearings, robust construction, and a lightweight design, it ensures stability, precision, and adaptability. Ideal for both competitive racing and leisure cruising, this innovative lead block empowers sailors with superior load capacity and versatility for a seamless sailing experience.
|
€ 79,09
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF51200 Series 50 All Purpose Block Double delivers exceptional strength and efficiency, designed for sailors who demand performance and durability. Featuring a self-lubricating Acetal polymer sheave, slotted pin shackle, and compatibility with Series 125 roller ball bearings, this block ensures smooth, low-maintenance operation. With a Breaking Load (B.L.) of 2000 kilograms and a Maximum Working Load (M.W.L.) of 1000 kilograms, it is ideal for handling demanding conditions. Lightweight at 255 grams, it’s perfect for various rigging setups, making it a versatile addition to any sailing system.
|
€ 80,17
-
+
| ||
|
1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF25109 Series 20 Ball Bearing Lashing Orbit Block delivers exceptional durability and performance with its integrated stainless steel hub and versatile lashing options. Engineered for optimal load-bearing capacity, this lightweight block is perfect for a wide range of sailing applications, ensuring reliable and efficient rigging integration.
|
€ 12,85
-
+
| ||
Show more
1
2
- Compact and robust sailing component
- Ideal for limited space and lighter loads
- Durable construction and smooth bearings
- Used for control lines, vang systems, and rigging setups
- Optimizes sail control for improved sailing experiences
What types of Ronstan Sailboat Hardware items do you have in your catalog?
Ronstan Pulley Blocks, Ronstan Blocks, Ronstan Cheek Blocks, Ronstan 20mm Blocks, Ronstan 30mm Blocks, Ronstan 40mm Blocks, Ronstan Double Blocks, Ronstan Exit Blocks, Ronstan Fiddle Blocks, Ronstan Orbit Blocks, Ronstan Ratchet Blocks, Ronstan Triple Blocks, Ronstan Cleats, Ronstan Cam C-Cleats, Ronstan Swivel Cleats, Ronstan V-Cleats, Ronstan Sail Tracks, Ronstan Cars, Ronstan Clear Start Sailing Watches