{"product_id":"ronstan-rf28109hl-25mm-pulley","title":"Ronstan RF28109HL Series 25 High Load Orbit Pulley 25mm","description":"\u003cp data-start=\"244\" data-end=\"706\"\u003eThe Ronstan RF28109HL Series 25 High Load Orbit Pulley is a premium low-friction sailing block engineered for extreme high-load dinghy, foiling, skiff, and sports boat applications in demanding New Zealand sailing conditions. As part of Ronstan’s advanced Orbit Block™ HHL range, the RF28109HL combines ultra-lightweight construction with exceptional strength and smooth load handling for modern performance sailing systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"708\" data-end=\"1204\"\u003eDesigned specifically for high dynamic load applications using small-diameter control lines, the RF28109HL features a Grade 2205 stainless steel sheave and bearing race paired with Grade 304 stainless steel ball bearings for outstanding load capacity and durability. Ronstan developed the High Load (HHL) Orbit Blocks™ to meet the demands of modern foiling boats and high-performance sailing systems where compact blocks must safely handle significant loads. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1206\" data-end=\"1543\"\u003eThe advanced 2-stage ball bearing system delivers exceptionally low-friction operation under both static and dynamic loading, improving trimming precision and sail handling efficiency. Its lashing head attachment system allows lightweight soft rigging installation while reducing metal hardware weight and increasing rigging flexibility.\u003c\/p\u003e\n\u003cp data-start=\"1545\" data-end=\"1941\"\u003eThe compact 25mm design is ideal for mainsheet systems, cascading vang systems, cunninghams, spinnaker turning blocks, barber haulers, and high-load control lines on dinghies and sports boats up to approximately 4 metres (13ft). Ronstan specifically states the Series 25 Orbit Blocks™ deliver “superior strength, reduced weight, and exceptional performance.” \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1943\" data-end=\"1946\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1948\" data-end=\"1963\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1965\" data-end=\"2435\"\u003e\n\u003cli data-section-id=\"24m9sx\" data-start=\"1965\" data-end=\"2004\"\u003eGenuine Ronstan RF28109HL Orbit Block\u003c\/li\u003e\n\u003cli data-section-id=\"52b8rk\" data-start=\"2005\" data-end=\"2041\"\u003e25mm high-load single pulley block\u003c\/li\u003e\n\u003cli data-section-id=\"8euzau\" data-start=\"2042\" data-end=\"2079\"\u003eHigh Load (HHL) Orbit Block™ design\u003c\/li\u003e\n\u003cli data-section-id=\"d8x5od\" data-start=\"2080\" data-end=\"2132\"\u003eGrade 2205 stainless steel sheave and bearing race\u003c\/li\u003e\n\u003cli data-section-id=\"1ebkl3h\" data-start=\"2133\" data-end=\"2174\"\u003eGrade 304 stainless steel ball bearings\u003c\/li\u003e\n\u003cli data-section-id=\"9x5tz3\" data-start=\"2175\" data-end=\"2213\"\u003eAdvanced 2-stage ball bearing system\u003c\/li\u003e\n\u003cli data-section-id=\"dhrj01\" data-start=\"2214\" data-end=\"2251\"\u003eLightweight lashing head attachment\u003c\/li\u003e\n\u003cli data-section-id=\"dkuh1h\" data-start=\"2252\" data-end=\"2286\"\u003eExtremely low-friction operation\u003c\/li\u003e\n\u003cli data-section-id=\"ydoij8\" data-start=\"2287\" data-end=\"2323\"\u003eCompact high-strength construction\u003c\/li\u003e\n\u003cli data-section-id=\"1wnmnn8\" data-start=\"2324\" data-end=\"2356\"\u003eHollow hub for becket take-off\u003c\/li\u003e\n\u003cli data-section-id=\"11tp0b0\" data-start=\"2357\" data-end=\"2386\"\u003eSuitable for up to 8mm rope\u003c\/li\u003e\n\u003cli data-section-id=\"4699zx\" data-start=\"2387\" data-end=\"2435\"\u003eIdeal for foiling and high-performance sailing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2437\" data-end=\"2614\"\u003eRonstan states the RF28109HL is “purpose-built for high-load applications” and increasingly used on “modern performance and foiling boats.” \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2616\" data-end=\"2619\"\u003e\n\u003ch2 data-section-id=\"17ekst5\" data-start=\"2621\" data-end=\"2697\"\u003eWhy Buy the Ronstan RF28109HL 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=\"2699\" data-end=\"2992\"\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 New Zealand sailors and marine professionals. The RF28109HL is an ideal solution for lightweight high-load sail control systems where low friction, durability, and strength are critical.\u003c\/p\u003e\n\u003cp data-start=\"2994\" data-end=\"3006\"\u003ePerfect for:\u003c\/p\u003e\n\u003cul data-start=\"3007\" data-end=\"3239\"\u003e\n\u003cli data-section-id=\"ceuwk7\" data-start=\"3007\" data-end=\"3025\"\u003eFoiling dinghies\u003c\/li\u003e\n\u003cli data-section-id=\"1x8lxkh\" data-start=\"3026\" data-end=\"3051\"\u003eHigh-performance skiffs\u003c\/li\u003e\n\u003cli data-section-id=\"t0l3qy\" data-start=\"3052\" data-end=\"3066\"\u003eSports boats\u003c\/li\u003e\n\u003cli data-section-id=\"122dayi\" data-start=\"3067\" data-end=\"3086\"\u003eMainsheet systems\u003c\/li\u003e\n\u003cli data-section-id=\"1nfxzav\" data-start=\"3087\" data-end=\"3111\"\u003eCascading vang systems\u003c\/li\u003e\n\u003cli data-section-id=\"cp7k3y\" data-start=\"3112\" data-end=\"3133\"\u003eCunningham controls\u003c\/li\u003e\n\u003cli data-section-id=\"1w1nwk8\" data-start=\"3134\" data-end=\"3150\"\u003eBarber haulers\u003c\/li\u003e\n\u003cli data-section-id=\"dvfuez\" data-start=\"3151\" data-end=\"3184\"\u003eSpinnaker sheet turning systems\u003c\/li\u003e\n\u003cli data-section-id=\"1j5kh3x\" data-start=\"3185\" data-end=\"3213\"\u003eLightweight racing rigging\u003c\/li\u003e\n\u003cli data-section-id=\"1ua6gvi\" data-start=\"3214\" data-end=\"3239\"\u003eHigh-load sail controls\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3241\" data-end=\"3244\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"3246\" data-end=\"3273\"\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=\"3275\" data-end=\"3634\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3275\" data-end=\"3302\"\u003e\n\u003ctr data-start=\"3275\" data-end=\"3302\"\u003e\n\u003cth data-start=\"3275\" data-end=\"3285\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"3285\" data-end=\"3302\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3313\" data-end=\"3634\"\u003e\n\u003ctr data-start=\"3313\" data-end=\"3332\"\u003e\n\u003ctd data-start=\"3313\" data-end=\"3321\" data-col-size=\"sm\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-start=\"3321\" data-end=\"3332\" data-col-size=\"sm\"\u003eRonstan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3333\" data-end=\"3354\"\u003e\n\u003ctd data-start=\"3333\" data-end=\"3341\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"3341\" data-end=\"3354\" data-col-size=\"sm\"\u003eRF28109HL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3355\" data-end=\"3396\"\u003e\n\u003ctd data-start=\"3355\" data-end=\"3370\" data-col-size=\"sm\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd data-start=\"3370\" data-end=\"3396\" data-col-size=\"sm\"\u003eHigh Load Orbit Pulley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3397\" data-end=\"3422\"\u003e\n\u003ctd data-start=\"3397\" data-end=\"3406\" data-col-size=\"sm\"\u003eSeries\u003c\/td\u003e\n\u003ctd data-start=\"3406\" data-end=\"3422\" data-col-size=\"sm\"\u003e25 HHL Orbit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3423\" data-end=\"3449\"\u003e\n\u003ctd data-start=\"3423\" data-end=\"3441\" data-col-size=\"sm\"\u003eSheave Diameter\u003c\/td\u003e\n\u003ctd data-start=\"3441\" data-end=\"3449\" data-col-size=\"sm\"\u003e25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3450\" data-end=\"3481\"\u003e\n\u003ctd data-start=\"3450\" data-end=\"3474\" data-col-size=\"sm\"\u003eMaximum Rope Diameter\u003c\/td\u003e\n\u003ctd data-start=\"3474\" data-end=\"3481\" data-col-size=\"sm\"\u003e8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3482\" data-end=\"3514\"\u003e\n\u003ctd data-start=\"3482\" data-end=\"3505\" data-col-size=\"sm\"\u003eMaximum Working Load\u003c\/td\u003e\n\u003ctd data-start=\"3505\" data-end=\"3514\" data-col-size=\"sm\"\u003e250kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3515\" data-end=\"3540\"\u003e\n\u003ctd data-start=\"3515\" data-end=\"3531\" data-col-size=\"sm\"\u003eBreaking Load\u003c\/td\u003e\n\u003ctd data-start=\"3531\" data-end=\"3540\" data-col-size=\"sm\"\u003e550kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3541\" data-end=\"3557\"\u003e\n\u003ctd data-start=\"3541\" data-end=\"3550\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"3550\" data-end=\"3557\" data-col-size=\"sm\"\u003e14g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3558\" data-end=\"3599\"\u003e\n\u003ctd data-start=\"3558\" data-end=\"3575\" data-col-size=\"sm\"\u003eBearing System\u003c\/td\u003e\n\u003ctd data-start=\"3575\" data-end=\"3599\" data-col-size=\"sm\"\u003e2-Stage Ball Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3600\" data-end=\"3634\"\u003e\n\u003ctd data-start=\"3600\" data-end=\"3618\" data-col-size=\"sm\"\u003eAttachment Type\u003c\/td\u003e\n\u003ctd data-start=\"3618\" data-end=\"3634\" data-col-size=\"sm\"\u003eLashing Head\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=\"3636\" data-end=\"3664\"\u003eRonstan specifications list:\u003c\/p\u003e\n\u003cul data-start=\"3665\" data-end=\"3807\"\u003e\n\u003cli data-section-id=\"lj0ata\" data-start=\"3665\" data-end=\"3688\"\u003eSheave diameter: 25mm\u003c\/li\u003e\n\u003cli data-section-id=\"qtpknh\" data-start=\"3689\" data-end=\"3717\"\u003eMaximum rope diameter: 8mm\u003c\/li\u003e\n\u003cli data-section-id=\"1yke5zz\" data-start=\"3718\" data-end=\"3732\"\u003eM.W.L: 250kg\u003c\/li\u003e\n\u003cli data-section-id=\"4jfknr\" data-start=\"3733\" data-end=\"3755\"\u003eBreaking Load: 550kg\u003c\/li\u003e\n\u003cli data-section-id=\"zkkdd9\" data-start=\"3756\" data-end=\"3807\"\u003eWeight: 14g \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3809\" data-end=\"3812\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"3814\" data-end=\"3836\"\u003eCommon Applications\u003c\/h2\u003e\n\u003cp data-start=\"3838\" data-end=\"3881\"\u003eThe Ronstan RF28109HL is commonly used for:\u003c\/p\u003e\n\u003cul data-start=\"3882\" data-end=\"4148\"\u003e\n\u003cli data-section-id=\"1bdx8gw\" data-start=\"3882\" data-end=\"3914\"\u003eFoiling dinghy control systems\u003c\/li\u003e\n\u003cli data-section-id=\"2t4quv\" data-start=\"3915\" data-end=\"3940\"\u003eHigh-load control lines\u003c\/li\u003e\n\u003cli data-section-id=\"1hgy2vf\" data-start=\"3941\" data-end=\"3967\"\u003eMainsheet turning blocks\u003c\/li\u003e\n\u003cli data-section-id=\"1nfxzav\" data-start=\"3968\" data-end=\"3992\"\u003eCascading vang systems\u003c\/li\u003e\n\u003cli data-section-id=\"1tiulzg\" data-start=\"3993\" data-end=\"4013\"\u003eCunningham systems\u003c\/li\u003e\n\u003cli data-section-id=\"1w1nwk8\" data-start=\"4014\" data-end=\"4030\"\u003eBarber haulers\u003c\/li\u003e\n\u003cli data-section-id=\"23f4mq\" data-start=\"4031\" data-end=\"4052\"\u003eSports boat rigging\u003c\/li\u003e\n\u003cli data-section-id=\"9iy96u\" data-start=\"4053\" data-end=\"4078\"\u003eSpinnaker sheet systems\u003c\/li\u003e\n\u003cli data-section-id=\"1jr5din\" data-start=\"4079\" data-end=\"4112\"\u003eLightweight racing applications\u003c\/li\u003e\n\u003cli data-section-id=\"c3ppre\" data-start=\"4113\" data-end=\"4148\"\u003eHigh-performance trimming systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4150\" data-end=\"4201\"\u003eRonstan recommends the Series 25 Orbit Blocks™ for:\u003c\/p\u003e\n\u003cul data-start=\"4202\" data-end=\"4356\"\u003e\n\u003cli data-section-id=\"k1o7oz\" data-start=\"4202\" data-end=\"4219\"\u003e“Control lines”\u003c\/li\u003e\n\u003cli data-section-id=\"1i2xv4p\" data-start=\"4220\" data-end=\"4268\"\u003e“Mainsheet and spinnaker sheet turning blocks”\u003c\/li\u003e\n\u003cli data-section-id=\"k3ttv7\" data-start=\"4269\" data-end=\"4288\"\u003e“Cascading vangs”\u003c\/li\u003e\n\u003cli data-section-id=\"afxl7t\" data-start=\"4289\" data-end=\"4356\"\u003e“Leech lines \u0026amp; cunninghams” \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4358\" data-end=\"4361\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"4363\" data-end=\"4386\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cp data-start=\"4388\" data-end=\"4419\"\u003eThe Ronstan RF28109HL provides:\u003c\/p\u003e\n\u003cul data-start=\"4420\" data-end=\"4653\"\u003e\n\u003cli data-section-id=\"dkuh1h\" data-start=\"4420\" data-end=\"4454\"\u003eExtremely low-friction operation\u003c\/li\u003e\n\u003cli data-section-id=\"m40s99\" data-start=\"4455\" data-end=\"4493\"\u003eExceptional strength-to-weight ratio\u003c\/li\u003e\n\u003cli data-section-id=\"1wa0znx\" data-start=\"4494\" data-end=\"4526\"\u003eReliable high-load performance\u003c\/li\u003e\n\u003cli data-section-id=\"mpqwh7\" data-start=\"4527\" data-end=\"4555\"\u003eSmooth trimming under load\u003c\/li\u003e\n\u003cli data-section-id=\"1qxswhd\" data-start=\"4556\" data-end=\"4587\"\u003eLightweight racing efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"2m6fh3\" data-start=\"4588\" data-end=\"4620\"\u003eExcellent corrosion resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1y9v4qg\" data-start=\"4621\" data-end=\"4653\"\u003eLong-lasting marine durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4655\" data-end=\"4823\"\u003eThe Grade 2205 stainless steel sheave and bearing race help improve load handling and durability in demanding racing applications.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48440169169144,"sku":null,"price":105.5,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/0899\/0200\/files\/Ronstan_RF28109HL_25mm_Ball_Bearing_Pulley.jpg?v=1779253343","url":"https:\/\/bartonmarine.co.nz\/products\/ronstan-rf28109hl-25mm-pulley","provider":"Barton Marine","version":"1.0","type":"link"}