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Detailed features

The 16 mm pulley is the smallest of the brand Harken. This one is ideal for small adjustments made of synthetic fibres. The pulley has a rolling system which uses stainless steel balls and an O-ring to hold the tip in the sheave between intermittent loads.
Sheave diameter | Maximum rope diameter | Length | Weight | Maximum workload | Breaking load | |
Simple | 16 mm | 5 mm | 38 mm | 12 g | 113 kg | 544 kg |
Double | 16 mm | 5 mm | 54 mm | 28 g | 204 kg | 544 kg |
Triple | 16 mm | 5 mm | 57 mm | 43 g | 318 kg | 544 kg |
In the same category
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<h2>The WICHARD single pulley for 8-9 mm rope</h2>
<div class="fich-txt">This pulley is available in different versions with or without balls. Its universal head will allow a wide choice of fixations. It has an excellent resistance to heavy loads. The sheave is protected by the flanges. With balls, you can use it for mainsheet and track, spinnaker sheets and arms, genoa sheets and backstays. Without balls, you can use it for mainsheet hoists, halyards, boom vang and spinnaker sheets for sport catamarans and small keelboats. The fittings are in 316L stainless steel, the flanges in polycarbonate and the sheave in composite.</div>
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<h2>The characteristics of the WICHARD single pulley for 8-9 mm rope</h2>
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<h2>Ronstan's range of 30mm Orbit Single Pulleys</h2>
<div class="fiche-txt">No metal elements in these Orbit pulleys, except for the stainless steel ball bearings, everything is made of high-tech polymer resin capable of withstanding heavy loads. The special feature of the Orbit pulleys is also the optimization of the ball track, which frees up the central part of the pulley hub and thus limits the weight. The 30 Series Orbit Simple is a range of single blocks, flat deck, stand up or suspended, used for mainsail and spinnaker sheets in dinghies, catamarans and sport keelboats up to 5 meters. Very light and withstanding a working load of 300 kilos for a break of 600 kilios for a compact weight, these are all-purpose blocks that are efficient and light for ropes with a maximum diameter of 8mm.</div>
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<h2>Ronstan Orbit 30mm Single Pulley Features</h2>
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<h2>Ronstan 20mm Single Orbit Pulley with Lashing</h2>
<div class="fiche-txt">No metal elements in these Orbit pulleys, everything is made of high tech polymer resin capable of supporting high loads. The special feature of the Orbit blocks is also the optimization of the ball track which frees up the central part of the block hub, thus limiting the weight and allowing the lashing to pass through the dyneema garcette. The 20 Orbit series can only be used on dinghy and catamaran trimmers up to 5 meters. Very light and able to support a working load of 250 kilos for a break of 550 kilios for a weight of 9 grams, it is one of the most performing blocks in its category.</div>
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<h2>Features of the Ronstan RF25109 Orbit 20mm Single Pulley with Lashing</h2>
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<h2>WICHARD triple pulleys for 8-9 mm rope</h2>
<div class="fiche-txt">These pulleys are suitable for heavy loads and static manoeuvres. The 45 sheave rotates around the stainless steel shaft and is protected by the flanges. The universal head of these pulleys allows a wide choice of attachments. Available with or without balls. Without balls, they are perfect for mainsail hoists, halyards, boom vang, spinnaker sheets for sport catamarans and small keelboats. With balls, they have two rows of lateral balls, which gives them a very good performance under light load. Under high load, the forces are taken up by the stainless steel shaft without lateral friction. You can use them for mainsheet and sheet track, spinnaker sheets and arms, genoa sheets and backstays.</div>
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<h2>Characteristics of the WICHARD triple pulleys for 8-9 mm rope</h2>
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