Blocks-Ronstan

Scroll down our page to find the sheave Ronstan that you need!

Subcategories

50 mm series

Browse our category "Series 50 mm" to find all the blocks of Ronstan, 50 mm that we deal in our shop. There are two versions: the Orbit and the Utlity. Everything you need for the boat can be found on our website at www.adriamarine.net or at our Adria Marine shop. Over 10,000 products for boating in the catalog. Fast shipping throughout Italy and the world.

20 mm series

Browse our category "20 mm series" to find all the Ronstan blocks, 20 mm that we deal in our shop. Everything you need for the boat can be found on our website at www.adriamarine.net or at our Adria Marine shop. Over 10,000 products for boating in the catalog. Fast shipping throughout Italy and the world.

30 mm series

Browse our category "Series 30 mm" to find all the blocks of Ronstan, 30 mm that we deal in our shop. There are two versions: the Orbit and the Utlity. Everything you need for the boat can be found on our website at www.adriamarine.net or at our Adria Marine shop. Over 10,000 products for boating in the catalog. Fast shipping throughout Italy and the world.

40 mm series

Browse our "40 mm series" category to find all the Ronstan blocks, 30 mm that we deal in our shop. There are two versions: the Orbit and the Utlity. Everything you need for the boat can be found on our website at www.adriamarine.net or at our Adria Marine shop. Over 10,000 products for boating in the catalog. Fast shipping throughout Italy and the world.

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There are 52 products.

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Swiveling Cleat Base with 15mm BB Sheaves

Last items in stock

Swivel base with cleat and 15mm ball bearing sheaves. Used as a jib guide on 29er or 49er with 360 degree rotation. Stainless steel ball bearings and cleat plate. Fits 2-5mm rope.

€156.50

€184.12

ORBIT double block series 20 mm

Last items in stock

The Ronstan 20mm Orbit Double Block is an essential control component on sailing boats, ideal for dinghies and catamarans. Designed to handle lines up to 6mm in diameter, this block offers the optimum balance between light weight and strength.

€33.78

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Single Plane Orbit Counterclockwise Block 55mm

Last items in stock

Ronstan Orbit Series 55mm Single Deck Block with Counter-Clockwise Sheave, ideal for sailing boats. Designed for maximum efficiency and strength, it is perfect for line management and dynamic manoeuvring underway. Manufactured from high quality materials for reliable, long-lasting performance even in the harshest of sea conditions.

€103.63

€121.91

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Single Plane Orbit Clockwise Block 55mm

Last items in stock

Ronstan Orbit Series 55mm Single Deck Block with Clockwise Sheave, ideal for sailing boats. Designed for maximum efficiency and strength, it is perfect for line management and dynamic manoeuvring underway. Manufactured from high quality materials for reliable and long lasting performance even in the harshest of sea conditions.

€103.63

€121.91

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Double swivel block series 50 mm

Last items in stock

Ronstan 50mm Ball Bearing Double Block, ideal for sailing boats. Designed for maximum efficiency and strength, it is perfect for line management and dynamic maneuvers underway. Made from high quality materials for reliable and long lasting performance even in difficult marine conditions.

€91.30

€107.41

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Single block with becket series 50 mm

Last items in stock

Ronstan 40mm Ball Bearing Single Block with Becket, ideal for sailing boats. Designed for maximum efficiency and strength, it is perfect for managing lines and dynamic maneuvers underway. Made from high quality materials for reliable and long lasting performance even in difficult marine conditions.

€57.58

€67.75

Double block series 40 AP

Last items in stock

Ronstan 40mm All Purpose Double Block, ideal for sailing boats. Designed for maximum efficiency and strength, it is perfect for managing lines and maneuvers underway. Made from high quality materials for reliable and long lasting performance even in rough seas.

€97.32

Single block with swivel becket 40 mm series

Last items in stock

Ronstan 40mm Ball Bearing Block, ideal for sailing boats. Designed for maximum efficiency and strength, it is perfect for managing lines and dynamic maneuvers underway. Made from high quality materials for reliable and long-lasting performance even in difficult marine conditions.

€47.90

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ORBIT Double Block Series 40

Last items in stock

Ronstan ORBIT Series 40mm Double Sheave Block.

€82.39

€96.93

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Double block series 30 mm orbit

Last items in stock

Ronstan 30 mm Orbit series double block, ideal for application in dinghy circuits. Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimal number of ball bearings for minimum friction, while weight reduction is achieved through the use of fibre-reinforced composites in the block head, cleat arms and beckets.

€50.61

€59.54

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30 mm series single swivel block

Ronstan 30mm series single swivel block. The low-friction 2-stage ball bearing system offers consistent performance across the entire workload range. High static and dynamic load capacity. Light weight Versatile head accessories.

€26.42

€31.09

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Bozzello singolo girevole serie 20mm

Ronstan 20mm series single swivel block suitable for control lines, vangs or cunninghams for small dinghies type boats

€25.37

€29.84

ORBIT series 40 violin block with becket

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Bozzello violino aricavo ORBIT serie 40

Last items in stock

Ronstan ORBIT Series 40 Fiddle Block with Winder

€58.05

€68.30

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ORBIT 55 series fiddle block

Last items in stock

Ronstan model ORBIT series 55 fiddle block

€67.56

€79.48

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Shock XL red

Red Shock XL from Ronstan can be used as a block for ropes up to 10mm

€15.88

€18.68

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50mm AP Series Swivel Block

Last items in stock

Ronstan 50mm Series All Purpose Swivel Block suitable for all uses. It is not on ball bearings.

€37.80

€44.47

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Orbit 30mm Series Flat Block

Last items in stock

Ronstan 30mm Orbit Series Flat Blocks are ideal for dinghy racing applications. Ball Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through full composite reinforced polymer materials and multiple attachment options. Their precision design provides the optimum number of ball bearings for minimum friction, while weight savings are achieved through the use of fibre reinforced composites in the block head, cleat arms and beckets.

€19.85

€23.35