{"product_id":"ronstan-series-40-orbit-bb-quin-block-with-swivel-shackle-high-load-performance-sailing-hardware","title":"Ronstan Series 40 Orbit BB Quin Block with Swivel Shackle - High Load Performance Sailing Hardware","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Orbit BB Quin Block with Swivel Shackle\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Series 40 ball-bearing Orbit Blocks provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber reinforced nylon cheeks replace stainless steel straps used in traditional utility blocks - the perfect balance of performance and reliability.\u003cbr\u003e\u003cbr\u003eAs well as traditional single swivel blocks, the range includes single and double sheave lashing or soft attachment options through to multiple sheave blocks including those with quad and quin sheaves. The range is highly versatile allowing a multitude of possible systems right up to a 12:1 purchase mainsheet system for off-the-beach performance catamarans.\u003cbr\u003e\u003cbr\u003eSeries 40 Orbit Blocks are fitted with our carbon-reinforced C-Cleat for secure rope holding with low entry and exit efforts, and fairleads for fast action from any angle. Cleat arms are made from stainless steel and adjustable for setting your preferred cleating angle.\u003cbr\u003e\u003cbr\u003eBall Bearing versions incorporate our 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.\u003cbr\u003e\u003cbr\u003eHigh Load versions are designed specifically for any application where high dynamic or static loads are expected. They feature a high-strength grade 2205 stainless steel sheave  hub together with a triple bearing race to maintain low friction at very high loads.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClass-leading dynamic and static load ratings\u003c\/li\u003e\n\u003cli\u003eLightweight, yet strong. Toughened, glass fiber reinforced nylon replaces stainless steel straps used in our traditional utility blocks\u003c\/li\u003e\n\u003cli\u003eLow friction 2-stage ball bearing system for efficient and effortless trimming\u003c\/li\u003e\n\u003cli\u003eSoft attachment, lashing and traditional swivel shackle head options\u003c\/li\u003e\n\u003cli\u003eLow profile and compact\u003c\/li\u003e\n\u003cli\u003eHigh performance cleating\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans and sportsboats to 8m (26ft)\u003c\/li\u003e\n\u003cli\u003eHalyard, vang and backstay applications on boats to 9m (30ft)\u003c\/li\u003e\n\u003cli\u003eControl line applications on larger yachts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave : 1-9\/16 in.\u003c\/li\u003e\n\u003cli\u003eMax. Rope : 3\/8 in.\u003c\/li\u003e\n\u003cli\u003ePin : 5\/32\"\u003c\/li\u003e\n\u003cli\u003eM.W.L.: 1320 lb.\u003c\/li\u003e\n\u003cli\u003eB. L.: 2650 lb.\u003c\/li\u003e\n\u003cli\u003eWeight: 8.5 oz.\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Ronstan Series 40 Orbit BB Quin Block with Swivel Shackle is engineered for demanding sailing applications, offering an optimal combination of strength, performance, and reliability. Its class-leading dynamic and static load ratings make it ideal for a variety of systems on boats up to 30 feet, including mainsheets, spinnaker sheets, halyards, and control lines. The innovative design features toughened glass fiber reinforced nylon cheeks that replace traditional stainless steel straps, providing a lightweight yet durable construction that withstands harsh marine environments.\u003c\/p\u003e\u003cp\u003eDesigned for versatility, this block includes options for traditional swivel, soft attachment, or lashing configurations, accommodating single or double sheaves, as well as multiple sheave setups such as quad and quin sheaves. The range supports complex systems like 12:1 purchase mainsheet setups, making it suitable for off-the-beach performance catamarans and other high-performance vessels. The inclusion of a carbon-reinforced C-Cleat ensures a secure grip on the rope with minimal effort during trimming, and fairleads allow for smooth operation from any angle. Cleat arms are stainless steel and adjustable, enabling precise setting of cleating angles for optimal control.\u003c\/p\u003e\u003cp\u003eBall bearing versions feature a two-stage bearing system with ball bearings that reduce friction for effortless operation, while the secondary full-contact bearing maintains low friction across the entire working load. The High Load models utilize a high-strength stainless steel sheave hub and a triple bearing race to handle heavy dynamic and static loads efficiently. The compact profile and low weight—just 8.5 ounces—make the Ronstan Series 40 Orbit BB Quin Block an excellent choice for recreational and competitive sailing. Whether used on control lines, halyards, or sheaves, this hardware delivers consistent performance and durability in demanding conditions.\u003c\/p\u003e\u003cp\u003eSuitable for application on boats up to 30 feet, the Ronstan Series 40 Orbit BB Quin Block is an essential component for sailors seeking reliable, high-performance hardware that simplifies rigging and improves sail control. Its robust construction and advanced features ensure long-lasting service, making it a valuable addition to any sailboat’s hardware kit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eClass-leading dynamic and static load ratings\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLightweight, yet strong with toughened glass fiber reinforced nylon cheeks\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLow friction two-stage ball bearing system for effortless trimming\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptions for soft attachment, lashing, and traditional swivel shackle configurations\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompact and low profile design\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh performance cleating with carbon-reinforced C-Cleat\u003c\/li\u003e\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":44528694689834,"sku":"97320","price":205.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/97320XL.jpg?v=1783042004","url":"https:\/\/atticusgoods.com\/products\/ronstan-series-40-orbit-bb-quin-block-with-swivel-shackle-high-load-performance-sailing-hardware","provider":"Atticus Goods","version":"1.0","type":"link"}