The Ronstan 30mm block is a versatile sailing component suitable for various rigging applications on yachts and boats. With its slightly larger size compared to the 20mm block, it offers increased load-bearing capacity while remaining compact and lightweight. Designed with durable materials and smooth bearings, it ensures reliable performance in challenging sailing conditions. Commonly used for control lines, halyards, and sheet systems, the Ronstan 30mm block provides efficient line management and helps optimize sail control for enhanced sailing experiences.
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan Series 30 BB Block Exit with Cover Plate (RF30711 and RF30711HL) offers superior durability and efficiency for demanding sailing tasks. The RF30711 features a cover plate for added rope protection, while the RF30711HL boasts a higher Safe Working Load (SWL) of 375 kilograms. Both variants are engineered with a sheave diameter of 30mm and accommodate a maximum rope diameter of 8mm. These blocks ensure smooth operation, even under heavy loads, making them essential for high-performance sailing and marine applications.
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€ 23,09
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF30721 Series 30 Ball Bearing Block, Double Exit is engineered for optimal performance in demanding marine environments. With a robust Breaking Load of 750 kilograms and a Maximum Working Load of 300 kilograms, this lightweight block ensures smooth operation for various sailing tasks. Weighing just 60 grams, it offers easy installation with only two 5mm fasteners. The included cover plate adds extra durability, protecting internal components from the elements. Whether for hoisting sails or managing rigging, the RF30721 delivers exceptional efficiency and reliability.
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€ 36,71
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35100 Series 30 Ball Bearing Orbit Block Becket and Swivel Shackle is a lightweight and high-performing block, designed to offer versatility and secure attachment options. With its robust load capacity, low-friction ball bearing system, and compact design, this block ensures reliable, efficient sailing performance for all types of rigging setups.
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€ 26,88
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35100D Series 30 Orbit Block Nylatron Sheave combines high performance with a lightweight design, versatile attachment options, and a self-lubricating Nylatron sheave. Offering exceptional working load capacity, a low-friction ball bearing system, and an ultra-low profile thru-sheave becket, this block is ideal for sailors seeking reliable control and consistent performance, whether racing or cruising.
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€ 39,78
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35100A Series 30 Ball Bearing Orbit Block Swivel Head Post with Slotted Pin Shackle combines lightweight design, high working load capacity, and versatile attachment options. Featuring an ultra-low profile, low-friction becket, and advanced ball bearing system, this block ensures smooth operation and reliable performance, whether for racing or cruising.
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€ 34,27
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35101 Series 30 Ball Bearing Orbit Block Lashing is a lightweight, high-performance block that delivers exceptional strength, versatility, and reliability. Featuring a low-friction 2-stage ball bearing system, it ensures smooth operation under heavy loads, while its lightweight construction and compatibility with various lines make it a top choice for sailors seeking optimal performance.
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€ 16,86
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35101D Series 30 Orbit Block is a high-performance, lightweight sailing block featuring a lashing head and a self-lubricating Nylatron sheave. Ideal for both wire and rope, it offers secure cleating, exceptional load capacity, and a low-friction 2-stage ball bearing system. Built to handle demanding sailing conditions, this block delivers smooth, reliable performance for optimal control and durability on the water.
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€ 29,27
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35140 Series 30 Ball Bearing Stand-Up Swivelling Orbit Block is a lightweight, high-performance sailing block with a swivel head for easy maneuvering. With an impressive working load, secure attachment system, low-friction ball bearing mechanism, and optional Nylatron sheave, this block ensures smooth and reliable operation under heavy loads. A top choice for both racing and cruising sailors, it offers versatility and efficiency for various rigging needs.
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€ 30,66
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35141 Series 30 Ball Bearing Stand-Up Orbit Block combines a lightweight design, high working load capacity, and advanced low-friction ball bearing system. With a secure attachment mechanism and compatibility for both rope and wire, this block provides exceptional reliability and precision for sailors seeking superior performance in demanding conditions.
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€ 26,61
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35151 Series 30 Ball Bearing Orbit Cheek Block combines a lightweight, curved mounting base, and a powerful 300 kg working load capacity. Designed for smooth, friction-free operation with its low-friction 2-stage ball bearing system, this block offers exceptional performance and durability for sailors seeking reliable, high-performance rigging solutions.
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€ 17,85
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35202 Series 30 Ball Bearing Orbit Block Double offers the highest working load in its class, combining lightweight construction, reliable performance, and versatility. Designed for high-performance sailing, this block is equipped with a low-friction ball bearing system and is compatible with ropes up to 8mm in diameter, ensuring smooth operation under various conditions. The specialized SP versions with Nylatron sheaves provide additional adaptability for different rigging needs.
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€ 45,23
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35212 Series 30 Ball Bearing Orbit Block Double with Becket offers the highest working load in its class while maintaining a lightweight design. Equipped with a low-friction 2-stage ball bearing system and a Nylatron sheave for both rope and wire, this block ensures smooth and efficient operation. With its secure attachment, ultra-low profile thru-sheave becket, and the ability to handle a 4:1 system, it's perfect for sailors who need reliable performance and versatility in demanding conditions.
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€ 49,23
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35284 Series 30 Ball Bearing Orbit Block Linked is a lightweight yet incredibly strong sailing accessory, offering the highest working load in its class. Its low-friction 2-stage ball bearing system ensures smooth operation across various applications, while the ultra-low profile design and Nylatron sheave options increase its versatility for both rope and wire rigging.
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€ 42,52
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35286 Series 30 Ball Bearing Orbit Block Clew Ring offers a combination of lightweight design, exceptional strength, and versatility. With a breaking load of 600kg, a working load of 300kg, and compatibility with ropes up to 8mm in diameter, this clew ring delivers smooth, reliable performance. Its ultra-low profile, low-friction ball bearing system, and premium construction make it an ideal choice for demanding rigging setups.
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€ 47,43
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35302 Series 30 Ball Bearing Orbit Block Triple is a lightweight and high-performance block, offering the highest working load in its class. With a breaking load of 1100kg and a maximum working load of 550kg, it provides reliable performance in demanding conditions. Featuring a low-friction ball bearing system, Nylatron sheave compatibility for rope and wire, and a 4mm pin diameter, this block is designed to elevate your sailing experience while maintaining a minimal weight of just 79 grams.
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€ 56,76
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35312 Series 30 Ball Bearing Orbit Block Triple with Becket combines lightweight design with exceptional strength, offering the highest working load in its class. Featuring versatile attachment options, an ultra-low-profile thru-sheave becket, and a low-friction 2-stage ball bearing system, this block ensures consistent performance across all sailing conditions. With a breaking load of 1100kg, a maximum working load of 550kg, and compatibility with ropes up to 8mm in diameter, this block is a go-to choice for sailors seeking reliability and performance.
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€ 60,83
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35322 Series 30 Ball Bearing Orbit Block Triple with Cleat is designed for high performance with a lightweight build and superior strength. Featuring the highest working load in its class, this block guarantees smooth operation with a low-friction 2-stage ball bearing system. Its Nylatron sheave offers versatility for both rope and wire, making it an ideal choice for a range of applications, from marine to industrial. Weighing just 130 grams, this block redefines performance and reliability.
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€ 97,63
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF35332 Series 30 Ball Bearing Orbit Block Triple with Becket & Cleat combines high-performance cleating, lightweight construction, and exceptional strength. With an ultra-low profile thru-sheave becket, low-friction 2-stage ball bearing system, and impressive load capacities, this block ensures secure, reliable line management for both rope and wire applications, providing efficiency and versatility in demanding conditions.
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€ 101,90
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF469 Series 30 Utility Block Ferrule Eye Head features a single ferrule eye head, designed for enhanced functionality and easy attachment. Crafted from lightweight yet durable materials, this block offers reliability and smooth operation, accommodating ropes up to 10mm in diameter. With a Breaking Load (B.L.) of 600kg and a Maximum Working Load (M.W.L.) of 300kg, it provides robust support while weighing only 40 grams. Its 10mm pin diameter ensures secure attachment for efficient use in a variety of rigging setups.
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€ 18,36
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1-2 weeks delivery time Price incl. 19% VAT The Ronstan RF470 Series 30 Utility Block with Ferrule Eye and Becket offers a versatile, lightweight design that ensures reliable performance without unnecessary bulk. With a Breaking Load (B.L.) of 600 kg and a Maximum Working Load (M.W.L.) of 300 kg, it accommodates ropes up to 10 mm in diameter, providing strength and efficiency for various rigging applications. Weighing just 45 grams and featuring a 10mm pin diameter, it offers a maintenance-free solution for demanding sailing and rigging tasks.
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€ 24,48
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- Versatile sailing component for rigging applications
- Compact and lightweight design
- Increased load-bearing capacity compared to 20mm block
- Durable materials and smooth bearings for reliable performance
- Used for control lines, halyards, and sheet systems
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