{"product_id":"ronstan-series-75-core-block™-single","title":"Ronstan Series 75 Core Block™ Single, 75mm Sheave, 1500kg MWL","description":"\u003cp\u003e\u003cstrong\u003eExperience unparalleled performance and durability\u003c\/strong\u003e with the Ronstan Series 75 Core Block™ Single. Engineered as a true all-round solution, this block is meticulously designed for demanding sailing environments, offering exceptional reliability across the full working load range. Its innovative 2-stage bearing system ensures smooth operation under both dynamic and static loads, while robust construction guarantees a long service life. Upgrade your rigging with Ronstan's class-leading technology for competitive and cruising sailing today.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized 2-Stage Bearing System:\u003c\/strong\u003e Features high-compression strength Acetal ball bearings for minimum friction under moderate loads, transitioning to a sliding Acetal bearing on a polished stainless steel race for sustained low friction under heavy loads. An integrated thrust bearing prevents sheave-to-cheek friction for perfect line lead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust \u0026amp; Corrosion-Resistant Construction:\u003c\/strong\u003e Built with a U.V. stabilized Acetal sheave for longevity, high-quality Aluminium Alloy cheeks for maximum strength and minimal weight, and Grade 316 stainless steel fixings for superior corrosion resistance in marine environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Universal Head:\u003c\/strong\u003e Offers full 3-axis articulation with a brass bearing washer for smooth 360° rotation. The head can be securely locked at 0° or 90° using a 2.5mm hex key, allowing for optimal line lead and easy customization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Load Capacity:\u003c\/strong\u003e Boasts a Maximum Working Load (MWL) of 1,500 kg (3,300 lbs) and a Breaking Load (B.L.) of 3,000 kg (6,600 lbs), providing confidence in challenging conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e Weighing only 354g (12.5oz), its material optimization and cut-away cheek design minimize weight without compromising strength, allowing for easy freshwater rinsing of salt and debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Becket\/Tie-Up Point:\u003c\/strong\u003e The central hub hole serves as a convenient becket take-off or tie-up point, enhancing the block's versatility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIdeal for mainsheet, halyard, spinnaker sheet, vang, and backstay applications on boats up to 14 meters (46 feet). Also suitable for various control line applications on larger yachts.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":53275060044094,"sku":"CT-117273","price":153.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0287\/3235\/8731\/files\/55264XL.jpg?v=1775336454","url":"https:\/\/www.tugandtow.com\/products\/ronstan-series-75-core-block%e2%84%a2-single","provider":"Tug and Tow","version":"1.0","type":"link"}