{"product_id":"ronstan-rf34108hlk-30mm-block-with-vang-key","title":"Ronstan RF34108HLK Series 30 ILCA Top Vang Block with Key","description":"\u003cp data-start=\"274\" data-end=\"776\"\u003eThe \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eRonstan\u003c\/span\u003e\u003c\/span\u003e RF34108HLK Series 30 Block with Vang Key is a premium high-load ILCA® top vang block engineered for elite sailing performance in demanding New Zealand racing conditions. Specifically designed for ILCA® and Laser® vang systems, this low-friction 30mm block combines a high-strength stainless steel sheave, triple bearing race system, and integrated vang key to deliver exceptionally smooth vang control under extreme loads. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"778\" data-end=\"1299\"\u003eDeveloped as part of Ronstan’s class-approved ILCA® hardware range, the RF34108HLK is widely regarded as one of the lowest-friction ILCA vang blocks available. The compact narrow-profile design reduces line drag and improves control while allowing efficient vang adjustment during racing and high-performance sailing. Ronstan engineered the block using a Grade 2205 stainless steel sheave and hub paired with a triple bearing race to maintain very low friction at high dynamic loads. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1301\" data-end=\"1784\"\u003eThe included curved vang key allows direct attachment to ILCA® boom vang fittings without additional shackles, creating a clean and lightweight rigging solution. The removable clevis pin design also allows easy maintenance and sheave access when required. Suitable for up to 6mm control lines, the RF34108HLK is ideal for ILCA®, Laser®, dinghy racing, and high-performance vang systems where low friction and reliable load handling are critical. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1786\" data-end=\"1789\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1791\" data-end=\"1806\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1808\" data-end=\"2246\"\u003e\n\u003cli data-section-id=\"c1o8p0\" data-start=\"1808\" data-end=\"1842\"\u003eGenuine Ronstan RF34108HLK block\u003c\/li\u003e\n\u003cli data-section-id=\"1yko7fv\" data-start=\"1843\" data-end=\"1883\"\u003eSeries 30 high-load ball bearing block\u003c\/li\u003e\n\u003cli data-section-id=\"ooa65j\" data-start=\"1884\" data-end=\"1920\"\u003eIntegrated ILCA® vang key included\u003c\/li\u003e\n\u003cli data-section-id=\"a3if9p\" data-start=\"1921\" data-end=\"1965\"\u003eDesigned for ILCA® and Laser® vang systems\u003c\/li\u003e\n\u003cli data-section-id=\"wbp4f3\" data-start=\"1966\" data-end=\"2005\"\u003eLowest-friction top vang block design\u003c\/li\u003e\n\u003cli data-section-id=\"xuzko3\" data-start=\"2006\" data-end=\"2049\"\u003eGrade 2205 stainless steel sheave and hub\u003c\/li\u003e\n\u003cli data-section-id=\"1dlzz3u\" data-start=\"2050\" data-end=\"2078\"\u003eTriple bearing race system\u003c\/li\u003e\n\u003cli data-section-id=\"52odsz\" data-start=\"2079\" data-end=\"2116\"\u003eCompact narrow-profile construction\u003c\/li\u003e\n\u003cli data-section-id=\"171wob0\" data-start=\"2117\" data-end=\"2150\"\u003eSuitable for high dynamic loads\u003c\/li\u003e\n\u003cli data-section-id=\"1o9gs0x\" data-start=\"2151\" data-end=\"2181\"\u003eSuits up to 6mm control line\u003c\/li\u003e\n\u003cli data-section-id=\"1jwy9ry\" data-start=\"2182\" data-end=\"2214\"\u003eLightweight racing performance\u003c\/li\u003e\n\u003cli data-section-id=\"5i4el3\" data-start=\"2215\" data-end=\"2246\"\u003eClass-approved ILCA® hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2248\" data-end=\"2294\"\u003eRonstan describes the RF34108HLK as featuring:\u003c\/p\u003e\n\u003cul data-start=\"2295\" data-end=\"2443\"\u003e\n\u003cli data-section-id=\"194fkk8\" data-start=\"2295\" data-end=\"2339\"\u003e“Lowest friction top vang block available”\u003c\/li\u003e\n\u003cli data-section-id=\"1b477y8\" data-start=\"2340\" data-end=\"2369\"\u003e“Narrow and compact design”\u003c\/li\u003e\n\u003cli data-section-id=\"1fq18us\" data-start=\"2370\" data-end=\"2443\"\u003e“Very low friction at high loads” \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2445\" data-end=\"2448\"\u003e\n\u003ch2 data-section-id=\"17aeyam\" data-start=\"2450\" data-end=\"2527\"\u003eWhy Buy the Ronstan RF34108HLK from \u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/bartonmarine.co.nz?utm_source=chatgpt.com\" target=\"_blank\"\u003eBarton Marine NZ\u003c\/a\u003e\u003c\/span\u003e?\u003c\/h2\u003e\n\u003cp data-start=\"2529\" data-end=\"2845\"\u003eAt \u003cspan class=\"\" data-state=\"closed\"\u003e\u003ca class=\"decorated-link\" rel=\"noopener\" href=\"https:\/\/bartonmarine.co.nz?utm_source=chatgpt.com\" target=\"_blank\"\u003eBarton Marine NZ\u003c\/a\u003e\u003c\/span\u003e we supply genuine Ronstan sailing hardware trusted by competitive sailors and marine professionals throughout New Zealand. The RF34108HLK delivers exceptional vang efficiency, low-friction performance, and reliable high-load handling for ILCA® and dinghy racing applications.\u003c\/p\u003e\n\u003cp data-start=\"2847\" data-end=\"2859\"\u003ePerfect for:\u003c\/p\u003e\n\u003cul data-start=\"2860\" data-end=\"3116\"\u003e\n\u003cli data-section-id=\"zzqgiq\" data-start=\"2860\" data-end=\"2883\"\u003eILCA® racing dinghies\u003c\/li\u003e\n\u003cli data-section-id=\"1soesdv\" data-start=\"2884\" data-end=\"2902\"\u003eLaser® sailboats\u003c\/li\u003e\n\u003cli data-section-id=\"1s7me0o\" data-start=\"2903\" data-end=\"2929\"\u003ePerformance vang systems\u003c\/li\u003e\n\u003cli data-section-id=\"o03e9a\" data-start=\"2930\" data-end=\"2954\"\u003eDinghy racing upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"22qs1o\" data-start=\"2955\" data-end=\"2982\"\u003eHigh-load control systems\u003c\/li\u003e\n\u003cli data-section-id=\"3swirq\" data-start=\"2983\" data-end=\"3006\"\u003eSail trimming systems\u003c\/li\u003e\n\u003cli data-section-id=\"ts03ln\" data-start=\"3007\" data-end=\"3032\"\u003eClub and regatta racing\u003c\/li\u003e\n\u003cli data-section-id=\"iwon8t\" data-start=\"3033\" data-end=\"3055\"\u003eYouth sailing fleets\u003c\/li\u003e\n\u003cli data-section-id=\"69a9uw\" data-start=\"3056\" data-end=\"3084\"\u003eSailing performance tuning\u003c\/li\u003e\n\u003cli data-section-id=\"g30te3\" data-start=\"3085\" data-end=\"3116\"\u003eLow-friction rigging upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3118\" data-end=\"3121\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"3123\" data-end=\"3150\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3152\" data-end=\"3534\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3152\" data-end=\"3179\"\u003e\n\u003ctr data-start=\"3152\" data-end=\"3179\"\u003e\n\u003cth data-start=\"3152\" data-end=\"3162\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"3162\" data-end=\"3179\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3190\" data-end=\"3534\"\u003e\n\u003ctr data-start=\"3190\" data-end=\"3209\"\u003e\n\u003ctd data-start=\"3190\" data-end=\"3198\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"3198\" data-end=\"3209\" data-col-size=\"sm\"\u003eRonstan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3210\" data-end=\"3232\"\u003e\n\u003ctd data-start=\"3210\" data-end=\"3218\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3218\" data-end=\"3232\"\u003eRF34108HLK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3233\" data-end=\"3282\"\u003e\n\u003ctd data-start=\"3233\" data-end=\"3248\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"3248\" data-end=\"3282\" data-col-size=\"sm\"\u003eSeries 30 High Load Vang Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3283\" data-end=\"3305\"\u003e\n\u003ctd data-start=\"3283\" data-end=\"3297\" data-col-size=\"sm\"\u003eSheave Size\u003c\/td\u003e\n\u003ctd data-start=\"3297\" data-end=\"3305\" data-col-size=\"sm\"\u003e30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3306\" data-end=\"3349\"\u003e\n\u003ctd data-start=\"3306\" data-end=\"3321\" data-col-size=\"sm\"\u003eBearing Type\u003c\/td\u003e\n\u003ctd data-start=\"3321\" data-end=\"3349\" data-col-size=\"sm\"\u003eTriple Ball Bearing Race\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3350\" data-end=\"3398\"\u003e\n\u003ctd data-start=\"3350\" data-end=\"3368\" data-col-size=\"sm\"\u003eSheave Material\u003c\/td\u003e\n\u003ctd data-start=\"3368\" data-end=\"3398\" data-col-size=\"sm\"\u003eGrade 2205 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3399\" data-end=\"3430\"\u003e\n\u003ctd data-start=\"3399\" data-end=\"3423\" data-col-size=\"sm\"\u003eMaximum Rope Diameter\u003c\/td\u003e\n\u003ctd data-start=\"3423\" data-end=\"3430\" data-col-size=\"sm\"\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3431\" data-end=\"3456\"\u003e\n\u003ctd data-start=\"3431\" data-end=\"3447\" data-col-size=\"sm\"\u003eBreaking Load\u003c\/td\u003e\n\u003ctd data-start=\"3447\" data-end=\"3456\" data-col-size=\"sm\"\u003e800kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3457\" data-end=\"3489\"\u003e\n\u003ctd data-start=\"3457\" data-end=\"3480\" data-col-size=\"sm\"\u003eMaximum Working Load\u003c\/td\u003e\n\u003ctd data-start=\"3480\" data-end=\"3489\" data-col-size=\"sm\"\u003e400kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3490\" data-end=\"3506\"\u003e\n\u003ctd data-start=\"3490\" data-end=\"3499\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"3499\" data-end=\"3506\" data-col-size=\"sm\"\u003e50g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3507\" data-end=\"3534\"\u003e\n\u003ctd data-start=\"3507\" data-end=\"3527\" data-col-size=\"sm\"\u003eVang Key Included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"3527\" data-end=\"3534\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"3536\" data-end=\"3564\"\u003eRonstan specifications list:\u003c\/p\u003e\n\u003cul data-start=\"3565\" data-end=\"3694\"\u003e\n\u003cli data-section-id=\"4abgjj\" data-start=\"3565\" data-end=\"3587\"\u003eBreaking Load: 800kg\u003c\/li\u003e\n\u003cli data-section-id=\"15b63gl\" data-start=\"3588\" data-end=\"3617\"\u003eMaximum Working Load: 400kg\u003c\/li\u003e\n\u003cli data-section-id=\"1jz0x0f\" data-start=\"3618\" data-end=\"3642\"\u003eMax Rope Diameter: 6mm\u003c\/li\u003e\n\u003cli data-section-id=\"pm3yq5\" data-start=\"3643\" data-end=\"3694\"\u003eWeight: 50g \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3696\" data-end=\"3699\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"3701\" data-end=\"3723\"\u003eCommon Applications\u003c\/h2\u003e\n\u003cp data-start=\"3725\" data-end=\"3769\"\u003eThe Ronstan RF34108HLK is commonly used for:\u003c\/p\u003e\n\u003cul data-start=\"3770\" data-end=\"4030\"\u003e\n\u003cli data-section-id=\"42fw6h\" data-start=\"3770\" data-end=\"3790\"\u003eILCA® vang systems\u003c\/li\u003e\n\u003cli data-section-id=\"1rrffus\" data-start=\"3791\" data-end=\"3814\"\u003eLaser® kicker systems\u003c\/li\u003e\n\u003cli data-section-id=\"aoum55\" data-start=\"3815\" data-end=\"3839\"\u003eDinghy racing controls\u003c\/li\u003e\n\u003cli data-section-id=\"1ua6gvi\" data-start=\"3840\" data-end=\"3865\"\u003eHigh-load sail controls\u003c\/li\u003e\n\u003cli data-section-id=\"175hmcp\" data-start=\"3866\" data-end=\"3896\"\u003ePerformance trimming systems\u003c\/li\u003e\n\u003cli data-section-id=\"s2g78j\" data-start=\"3897\" data-end=\"3919\"\u003eClub racing upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"1tdw3ae\" data-start=\"3920\" data-end=\"3943\"\u003eSailing school fleets\u003c\/li\u003e\n\u003cli data-section-id=\"1uj1xzo\" data-start=\"3944\" data-end=\"3970\"\u003eRegatta race preparation\u003c\/li\u003e\n\u003cli data-section-id=\"1j5kh3x\" data-start=\"3971\" data-end=\"3999\"\u003eLightweight racing rigging\u003c\/li\u003e\n\u003cli data-section-id=\"1gdaxu\" data-start=\"4000\" data-end=\"4030\"\u003eLow-friction control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4032\" data-end=\"4161\"\u003eRonstan states the RF34108HLK forms part of “the lowest friction ILCA® vang on the market.” \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4163\" data-end=\"4166\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"4168\" data-end=\"4191\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp data-start=\"4193\" data-end=\"4225\"\u003eThe Ronstan RF34108HLK provides:\u003c\/p\u003e\n\u003cul data-start=\"4226\" data-end=\"4448\"\u003e\n\u003cli data-section-id=\"ectvp\" data-start=\"4226\" data-end=\"4262\"\u003eExtremely low friction performance\u003c\/li\u003e\n\u003cli data-section-id=\"dxzbg5\" data-start=\"4263\" data-end=\"4298\"\u003eSmooth vang adjustment under load\u003c\/li\u003e\n\u003cli data-section-id=\"1qxswhd\" data-start=\"4299\" data-end=\"4330\"\u003eLightweight racing efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"du1mtk\" data-start=\"4331\" data-end=\"4363\"\u003eExcellent high-load durability\u003c\/li\u003e\n\u003cli data-section-id=\"16jnay8\" data-start=\"4364\" data-end=\"4397\"\u003eImproved sail control precision\u003c\/li\u003e\n\u003cli data-section-id=\"1r8vfci\" data-start=\"4398\" data-end=\"4417\"\u003eReduced line drag\u003c\/li\u003e\n\u003cli data-section-id=\"q8k4k8\" data-start=\"4418\" data-end=\"4448\"\u003eReliable regatta performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4450\" data-end=\"4629\"\u003eHigh-load stainless sheave systems are preferred in racing applications because they maintain low friction while handling high dynamic loads.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48438973071608,"sku":null,"price":139.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/0899\/0200\/files\/Ronstan_RF34109HLK_ILCA_30mm_Vang_Block_With_Key.jpg?v=1779255485","url":"https:\/\/bartonmarine.co.nz\/products\/ronstan-rf34108hlk-30mm-block-with-vang-key","provider":"Barton Marine","version":"1.0","type":"link"}