{"product_id":"ronstan-rf13101-single-15mm-kite-block","title":"Ronstan RF13101 15mm Single Kite Block Lightweight Pulley","description":"\u003cdiv class=\"page-title-wrapper product\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRonstan RF13101 Single 15mm Kite Block\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a compact, lightweight pulley designed for high-speed, low-load sailing applications where minimum weight and smooth line handling are essential. Featuring a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15mm UV-stabilised Acetal sheave\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e housed in durable nylon cheeks, this maintenance-free block is ideal for control lines, leech lines, shock cord systems, and other lightweight rigging applications on dinghies, skiffs, sports boats, kite boats, and performance sailing craft.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned to handle ropes up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4mm in diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the RF13101 provides efficient low-friction performance while maintaining an exceptionally compact and lightweight profile. Its simple construction makes it highly reliable with no moving metal components requiring maintenance, making it an excellent choice for demanding marine environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eManufactured using UV-resistant Acetal sheaves and durable nylon cheeks, the block delivers excellent resistance to saltwater, sunlight, and continuous outdoor exposure. Whether used for trapeze retrieval systems, vang controls, cunningham systems, bunk adjusters, or general control lines, the Ronstan RF13101 offers dependable performance season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTrusted by sailors worldwide, Ronstan's Series 15 Utility Blocks provide an economical and reliable solution for lightweight control systems on both racing and cruising boats.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eGenuine Ronstan RF13101 Single Kite Block\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSold individually\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact 15mm Acetal sheave\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLightweight nylon cheek construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for rope up to 4mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaintenance-free design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eUV-stabilised sheave\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCorrosion-resistant materials\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmooth low-friction operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for lightweight control lines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtremely lightweight at only 5g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for sailing and marine applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong-lasting marine durability\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRonstan specifies a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e15mm sheave\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4mm maximum rope diameter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e150kg maximum working load\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e300kg breaking load\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and a weight of just \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5g\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Buy the Ronstan RF13101 from Barton Marine NZ?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAt \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBarton Marine NZ\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e we supply genuine Ronstan sailing hardware trusted by New Zealand sailors and yacht owners. The RF13101 Kite Block is an excellent solution for lightweight sail control systems where compact size, smooth operation, and reliability are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePerfect for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eLeech line systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShock cord tensioning\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCunningham controls\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVang systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrapeze retrieval systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDinghy rigging\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSports boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSkiffs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eKite sailing applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral lightweight control lines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFeature\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRonstan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRF13101\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle Kite Block\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSheave Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Rope Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaximum Working Load\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBreaking Load\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSheave Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUV-Stabilised Acetal\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCheek Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNylon\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMarine Suitable\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRonstan manufactures the Series 15 Kite Block using \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUV-stabilised Acetal sheaves\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enylon cheeks\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for lightweight durability and maintenance-free operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Ronstan RF13101 is commonly used for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eCunningham systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoom vang controls\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLeech line tackles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eShock cord systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrapeze retrievers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBunk adjusters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDinghy rigging\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmall yacht control lines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePerformance sailing systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGeneral-purpose lightweight rigging\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRonstan recommends the Series 15 Kite Block for lightweight control line applications where compact size and low friction are priorities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003ePerformance Benefits\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Ronstan RF13101 provides:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eSmooth line handling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow-friction performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtremely lightweight construction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReliable maintenance-free operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExcellent UV resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLong service life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrusted Ronstan quality\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eIts simple, lightweight design makes it ideal for high-performance sailing applications where reducing weight and maintaining smooth control are critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-info-price\"\u003e\u003c\/div\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":49705073574136,"sku":"RF13101NC","price":5.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/0899\/0200\/files\/Ronstan_RF13101_Single_15mm_Kite_Block.jpg?v=1782776424","url":"https:\/\/bartonmarine.co.nz\/products\/ronstan-rf13101-single-15mm-kite-block","provider":"Barton Marine","version":"1.0","type":"link"}