Ronstan BlocksRonstan

 

Ronstan makes blocks (pulleys) for a wide range of marine and general applications. Innovative Ronstan blocks are found on boats of all sizing, ranging from racing dinghys to large cruising boats.

About Ronstan Core Blocks
Ronstan Core Blocks Series are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these Ronstan blocks are the right choice for sheets, halyards and control line applications for cruising and racing.

About Ronstan Orbit Blocks

Ronstan Ball Bearing Orbit Blocks Series boast the highest strength-to-weight ratio available. Less friction provides you with ultimate performance. This is achieved through all-composite reinforced polymer materials and a Dyneema® rope link head. Their precision design allows the optimum number of ball bearings in loaded areas and eliminates them in inactive areas. Ineffective mass is reduced even further through fibre-reinforced composites in the block head, cleat arms and beckets. The incredible Series 20 Orbit Block is capable of loads up to 250kg (550lb) while weighing a mere 9 grams. It's so light that it needs to be lashed down!

About Ronstan All Purpose Blocks
Ronstan Series All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these Ronstan blocks are a great choice for sheets, halyards and control line applications for cruising and racing as well as general purposes.

About Ronstan Utility Blocks

Ronstan Utility Blocks feature stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the Ronstan utility block heads can be fitted with shackles, which can also be used to add a becket for extra purchase.

About Ronstan Pivoting Lead Blocks
Ronstan Pivoting lead blocks come in several different versions and configurations. Ronstan Pivoting Low Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Maintains alignment with a variable line entry-angle. The line passes through the centre of the pivot support, remaining as close to the deck as possible.Ronstan 60-75 Series Pivoting Low Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.

About Ronstan Exit Boxes
Exit boxes are a specialy type of Ronstan block that allows lines to enter a mast, boom or hull. Ronstan exit boxes are avaiable in several sizes in both single and double sheave configurations.

We at Mauri Pro Sailing are fully committed to be your Ronstan Block specialist not only providing the sailing community with a comprehensive and easy to use web site but with all the appropriate technical information that you might need to select your sailboat hardware and equipment. If you need any assistance selecting the appropriate Ronstan Blocks for your boat please contact us. Our crew is ready to help!

Series 60<br>Core Blocks
Series 75<br>Core Blocks
<br>Orbit Blocks
<br>Orbit Ratchet Blocks
<br>Fiddle Blocks
<br>Multihull Blocks
Series 40<br>Blocks
Series 50<br>Blocks
<br>High Load Blocks
<br>Snatch Blocks
Ronstan Foot Blocks
Pivoting<br>Low Lead Blocks
# 60/75<br>Pivoting Lead Blocks
Upright Lead Blocks
Two-Speed<br>Mainsheet Systems
<br>Utility Blocks
<br>Wire Blocks
Exit Boxes
   

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