{"product_id":"ronstan-series-40-ball-bearing-fiddle-block-with-becket-and-cleat-rf40530","title":"Ronstan Series 40 Ball Bearing Fiddle Block with Becket and Cleat, RF40530","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Ball Bearing Block - Fiddle - Becket - Cleat\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLow friction Acetal or Torlon bearing system\u003c\/li\u003e\n\u003cli\u003eLightweight\u003c\/li\u003e\n\u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e\n\u003cli\u003eCaptive Lock universal head\u003c\/li\u003e\n\u003cli\u003eSlotted pin shackle eliminates fouled lines\u003c\/li\u003e\n\u003cli\u003eSnap fit removable becket pin\u003c\/li\u003e\n\u003cli\u003eMulti-position cleat arm\u003c\/li\u003e\n\u003cli\u003eLow friction, 2-stage ball bearing system\u003c\/li\u003e\n\u003cli\u003eHigh static and dynamic load capacity\u003c\/li\u003e\n\u003cli\u003eLightweight\u003c\/li\u003e\n\u003cli\u003eCheek cut-outs for easy bearing maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSheaves running on Acetal or Torlon ball bearings provide high performance  low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting and is i\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMainsheet\u003c\/li\u003e\n\u003cli\u003eHalyard\u003c\/li\u003e\n\u003cli\u003eVang\u003c\/li\u003e\n\u003cli\u003eSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)\u003c\/li\u003e\n\u003cli\u003eTypically used in direct 4:1 purchase systems such as mainsheets and boom vangs\u003c\/li\u003e\n\u003cli\u003eOn larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAcetal ball bearings\u003c\/li\u003e\n\u003cli\u003eUV stabilized Acetal sheave\u003c\/li\u003e\n\u003cli\u003eGrade 316 stainless steel load strap and head fitting\u003c\/li\u003e\n\u003cli\u003eImpact and UV resistant, fiber reinforced Nylon cheeks\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003e\u003cstrong\u003eRonstan Series 40 Ball Bearing Fiddle Block with Becket and Cleat\u003c\/strong\u003e is designed for sailors who need reliable, low-friction control for mainsheets, halyards, vangs, and other line-handling applications. Model RF40530 combines a fiddle block, becket, and adjustable cleat in one compact assembly, making it a practical choice for direct 4:1 purchase systems and control lines on off-the-beach catamarans, one-design classes, sportsboats, and larger boats.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eIts two-stage Acetal or Torlon ball bearing system helps provide smooth, consistent operation across the load range. The lightweight construction supports efficient rigging without adding unnecessary bulk, while the high static and dynamic load capacity suits a variety of sailing control applications. Cheek cut-outs provide access for easier bearing maintenance, helping simplify routine care and service.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Captive Lock universal head can be fixed in either of two planes or left free to swivel as required. A multi-position cleat arm adjusts quickly without tools and secures firmly in position, allowing the cleat to be configured for convenient line handling. The slotted pin shackle helps reduce the chance of fouled lines, and the snap-fit removable becket pin allows the line to be prepared before fitting.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eKEY FEATURES:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-friction bearing system:\u003c\/strong\u003e Acetal or Torlon ball bearings support smooth, consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiddle block with becket and cleat:\u003c\/strong\u003e Combines multiple rigging functions for mainsheets, vangs, halyards, and control lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaptive Lock universal head:\u003c\/strong\u003e Can be fixed in two planes or allowed to swivel as required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable cleat arm:\u003c\/strong\u003e Multi-position design adjusts without tools and locks securely in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly construction:\u003c\/strong\u003e Cheek cut-outs provide access to the bearing system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-management features:\u003c\/strong\u003e Slotted pin shackle and removable becket pin help simplify setup and reduce fouling concerns.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003ePRODUCT DETAILS:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Ronstan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Series 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RF40530\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials:\u003c\/strong\u003e Acetal ball bearings, UV-stabilized Acetal sheave, Grade 316 stainless steel load strap and head fitting, and impact- and UV-resistant fiber-reinforced nylon cheeks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Mainsheets, halyards, vangs, spinnaker control lines, outhauls, cunningham controls, checkstays, genoa lead pullers, and traveler controls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical use:\u003c\/strong\u003e Direct 4:1 purchase systems, including mainsheets and boom vangs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003eChoose the Ronstan RF40530 Series 40 fiddle block when dependable low-friction control and flexible cleat positioning are important to your sailing setup.\u003c\/p\u003e\u003cbr\u003eSEO META DESCRIPTION:\u003cbr\u003eRonstan Series 40 RF40530 fiddle block with becket and cleat offers low-friction ball bearings, adjustable cleat positioning, and versatile sailing control.\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLow-friction Acetal or Torlon two-stage ball bearing system\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFiddle block with becket and multi-position cleat arm\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCaptive Lock universal head with fixed or swiveling configurations\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSlotted pin shackle helps reduce fouled lines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSnap-fit removable becket pin\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCheek cut-outs for easier bearing maintenance\u003c\/li\u003e\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eTruck Freight: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOversized: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":44881669718105,"sku":"70623","price":110.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/70623XL.jpg?v=1789193653","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-series-40-ball-bearing-fiddle-block-with-becket-and-cleat-rf40530","provider":"Marine Parts Only","version":"1.0","type":"link"}