{"title":"Single Line Reef Kits","description":"\u003cstyle\u003e\n  .media-container {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));\n    gap: 20px;\n    align-items: start;\n    margin-bottom: 20px;\n  }\n\n  .media-container iframe {\n    width: 100%;\n    \/* Maintain 16:9 aspect ratio on modern browsers *\/\n    aspect-ratio: 16 \/ 9;\n    border: none;           \/* Remove any iframe borders *\/\n  }\n\n  .links {\n    font-family: sans-serif;\n    font-size: 1rem;\n  }\n\n  .links a {\n    display: inline-block;\n    margin-right: 1.5rem;\n    text-decoration: none;\n    color: #007acc;\n  }\n\n  .links a:hover {\n    text-decoration: underline;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"media-container\"\u003e\n  \u003ciframe src=\"https:\/\/player.vimeo.com\/video\/148473442?badge=0\u0026amp;autopause=0\u0026amp;player_id=0\u0026amp;app_id=58479\" title=\"Product Video\"\u003e\u003c\/iframe\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"links\"\u003e\n\u003cp\u003eThe Single Line Reefing system is a familiar concept, made practical and reliable by Seldén. To reef the sail, simply ease the halyard to the pre-marked points and pull in the reefing line—this reefs both the luff and the leech simultaneously.\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"single-line-reef-upgrade-kit-for-2-slr-reef-complete-kit-for-selden-b171-boom-section-2008","title":"Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B171 boom section (-2008)","description":"\u003cp\u003eUpgrade from slab reef to the convenience of Single Line Reefing. This kit is for B171 booms made prior to 2008. Check the article number of your boom end (aft part). If it is 500-016 this is the right kit for your boom. \u003c\/p\u003e\u003cp\u003eInstant reefing with Single Line Reef\u003c\/p\u003e\u003cp\u003eSingle Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.\u003c\/p\u003e\u003cp\u003eThe kit contains:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eø10 mm white\/blue 32\/3 Polyester line for reef 1. 6+ 25 m\u003c\/li\u003e\n\u003cli\u003eø10 mm white\/red 32\/3 Polyester line for reef 2. 6 + 38 m\u003c\/li\u003e\n\u003cli\u003e2 composite Single Line sliders that run in tracks inside the boom. \u003c\/li\u003e\n\u003cli\u003e2 PBB60 Single blocks used as turning blocks and fitted to the outboard end 500-016. \u003c\/li\u003e\n\u003cli\u003e2 reef shackles\u003c\/li\u003e\n\u003cli\u003e2 composite sheaves for your inboard boom end.\u003c\/li\u003e\n\u003cli\u003e1 ø10 mm x 94 mm shaft\u003c\/li\u003e\n\u003cli\u003e1 Outhaul slider. Runs between the two reef sliders in its own track inside the boom.\u003c\/li\u003e\n\u003cli\u003e28 m ø2,5 mm messenger line to pull the outhaul through the boom \u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52635222016333,"sku":"611-011-12","price":10467.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_cd223508-636d-4707-8af4-022e2a4aa67a.jpg?v=1761141488"},{"product_id":"single-line-reef-upgrade-kit-for-2-slr-reef-complete-kit-for-selden-b134-b135-boom-sections","title":"Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B134 \u0026 B135 boom sections","description":"\u003cp\u003eUpgrade from slab reef to the convenience of Single Line Reefing. This kit is for B134 and B135 booms. \u003c\/p\u003e\u003cp\u003eInstant reefing with Single Line Reef\u003c\/p\u003e\u003cp\u003eSingle Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.\u003c\/p\u003e\u003cp\u003eThe kit contains:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eø10 mm white\/blue 32\/3 Polyester line for reef 1. 6+ 25 m\u003c\/li\u003e\n\u003cli\u003eø10 mm white\/red 32\/3 Polyester line for reef 2. 6 + 38 m\u003c\/li\u003e\n\u003cli\u003e2 composite Single Line sliders that run in tracks inside the boom.\u003c\/li\u003e\n\u003cli\u003e2 reef shackles\u003c\/li\u003e\n\u003cli\u003e6 composite sheaves for your outboard- and inboard boom ends.\u003c\/li\u003e\n\u003cli\u003e2 ø10 mm x 31 mm shafts\u003c\/li\u003e\n\u003cli\u003eInstructions\u003cbr\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52635222081869,"sku":"611-011-14","price":6977.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_c98a84f4-937c-4d60-840e-0a1bc9f2e37e.jpg?v=1761141489"},{"product_id":"single-line-reef-upgrade-kit-for-2-slr-reef-complete-kit-for-selden-b152-b53-boom-sections","title":"Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B152 \u0026 B53 boom sections","description":"\u003cp\u003eUpgrade from slab reef to the convenience of Single Line Reefing. This kit is for B152 and B153 booms. \u003c\/p\u003e\u003cp\u003eInstant reefing with Single Line Reef\u003c\/p\u003e\u003cp\u003eSingle Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.\u003c\/p\u003e\u003cp\u003eThe kit contains:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eø10 mm white\/blue 32\/3 Polyester line for reef 1. 6+ 25 m\u003c\/li\u003e\n\u003cli\u003eø10 mm white\/red 32\/3 Polyester line for reef 2. 6 + 38 m\u003c\/li\u003e\n\u003cli\u003e2 composite Single Line sliders that run in tracks inside the boom.\u003c\/li\u003e\n\u003cli\u003e2 reef shackles\u003c\/li\u003e\n\u003cli\u003e6 composite sheaves for your outboard- and inboard boom ends.\u003c\/li\u003e\n\u003cli\u003e2 ø10 mm x 31 mm shafts\u003c\/li\u003e\n\u003cli\u003e2 ø10 mm x 36 mm shafts\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52635222671693,"sku":"611-011-16","price":7560.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_dc85de3a-059f-41ad-b54f-4fa1d467e1aa.jpg?v=1761141506"},{"product_id":"single-line-reef-upgrade-kit-for-2-slr-reef-complete-kit-for-selden-b171-boom-section-2009","title":"Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B171 boom section (2008 -)","description":"\u003cp\u003eUpgrade from slab reef to the convenience of Single Line Reefing. This kit is for B171 booms made 2008 and later. Check the article number of your boom end (aft part). If it is 500-041 this is the right kit for your boom. \u003c\/p\u003e\u003cp\u003eInstant reefing with Single Line Reef\u003c\/p\u003e\u003cp\u003eSingle Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.\u003c\/p\u003e\u003cp\u003eThe kit contains:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eø10 mm white\/blue 32\/3 Polyester line for reef 1. 6+ 25 m\u003c\/li\u003e\n\u003cli\u003eø10 mm white\/red 32\/3 Polyester line for reef 2. 6 + 38 m\u003c\/li\u003e\n\u003cli\u003e2 composite Single Line sliders that run in tracks inside the boom.\u003c\/li\u003e\n\u003cli\u003e2 reef shackles\u003c\/li\u003e\n\u003cli\u003e6 composite sheaves for your outboard- and inboard boom ends.\u003c\/li\u003e\n\u003cli\u003e2 ø10 mm x 39 mm shafts\u003c\/li\u003e\n\u003cli\u003eInstructions\u003cbr\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52635222901069,"sku":"611-011-24","price":8953.75,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_7002f6df-787d-492c-a69a-8e3bcee33be8.jpg?v=1761141504"},{"product_id":"single-line-reef-upgrade-kit-for-2-slr-reef-complete-kit-for-selden-b200-boom-section-2008","title":"Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B200 boom section (- 2008)","description":"\u003cp\u003eUpgrade from slab reef to the convenience of Single Line Reefing. This kit is for B200 booms made prior to 2008. Check the article number of your boom end (aft part). If it is 500-017 this is the right kit for your boom. \u003c\/p\u003e\u003cp\u003eInstant reefing with Single Line Reef\u003c\/p\u003e\u003cp\u003eSingle Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.\u003c\/p\u003e\u003cp\u003eThe kit contains:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eø12 mm white\/blue 32\/3 Polyester line for reef 1. 7 + 27 m\u003c\/li\u003e\n\u003cli\u003eø12 mm white\/red 32\/3 Polyester line for reef 2. 7 + 41 m\u003c\/li\u003e\n\u003cli\u003e2 composite Single Line sliders that run in tracks inside the boom.\u003c\/li\u003e\n\u003cli\u003e2 reef shackles\u003c\/li\u003e\n\u003cli\u003e2 PBB60 Single blocks\u003c\/li\u003e\n\u003cli\u003e2 composite sheaves for the inboard end\u003c\/li\u003e\n\u003cli\u003e1 ø12 mm x 112 mm shaft\u003c\/li\u003e\n\u003cli\u003eInstructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52635225456973,"sku":"611-015-04","price":11630.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_ef67aa2c-e640-432f-84b3-d5d4c80cb5da.jpg?v=1761141523"},{"product_id":"single-line-reef-upgrade-kit-for-2-slr-reef-complete-kit-for-selden-b250-boom-section-2008","title":"Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B250 boom section (- 2008)","description":"\u003cp\u003eUpgrade from slab reef to the convenience of Single Line Reefing. This kit is for B250 booms made prior to 2008. Check the article number of your boom end (aft part). If it is 500-018 this is the right kit for your boom. \u003c\/p\u003e\u003cp\u003eInstant reefing with Single Line Reef\u003c\/p\u003e\u003cp\u003eSingle Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.\u003c\/p\u003e\u003cp\u003eThe kit contains:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eø12 mm white\/blue 32\/3 Polyester line for reef 1. 8 + 31 m\u003c\/li\u003e\n\u003cli\u003eø12 mm white\/red 32\/3 Polyester line for reef 2. 8 + 47 m\u003c\/li\u003e\n\u003cli\u003e2 composite Single Line sliders that run in tracks inside the boom.\u003c\/li\u003e\n\u003cli\u003e2 reef shackles\u003c\/li\u003e\n\u003cli\u003e2 PBB80 Single blocks\u003c\/li\u003e\n\u003cli\u003e2 composite sheaves for the inboard end\u003c\/li\u003e\n\u003cli\u003e1 ø14 mm x 130 mm shaft\u003c\/li\u003e\n\u003cli\u003eInstructions\u003cbr\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52635226440013,"sku":"611-015-15","price":18547.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_1d5b1c27-1236-4cf2-aead-aa90310bd3bf.jpg?v=1761141538"},{"product_id":"single-line-reef-upgrade-kit-for-2-slr-reef-complete-kit-for-selden-b200-boom-section-2009","title":"Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B200 boom section (2008 -)","description":"\u003cp\u003eUpgrade from slab reef to the convenience of Single Line Reefing. This kit is for B200 booms made 2008 and later. Check the article number of your boom end (aft part). If it is 500-042 this is the right kit for your boom. \u003c\/p\u003e\u003cp\u003eInstant reefing with Single Line Reef\u003c\/p\u003e\u003cp\u003eSingle Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.\u003c\/p\u003e\u003cp\u003eThe kit contains:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eø12 mm white\/blue 32\/3 Polyester line for reef 1. 7 + 27 m\u003c\/li\u003e\n\u003cli\u003eø12 mm white\/red 32\/3 Polyester line for reef 2. 7 + 41 m\u003c\/li\u003e\n\u003cli\u003e2 composite Single Line sliders that run in tracks inside the boom.\u003c\/li\u003e\n\u003cli\u003e2 reef shackles\u003c\/li\u003e\n\u003cli\u003e6 composite sheaves for your outboard- and inboard boom ends.\u003c\/li\u003e\n\u003cli\u003e2 ø12 mm x 49 mm shafts\u003c\/li\u003e\n\u003cli\u003eInstructions\u003cbr\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52635227324749,"sku":"611-015-24","price":11630.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_b5841e36-60b1-4331-ad62-2a321c4392e1.jpg?v=1761141553"},{"product_id":"single-line-reef-upgrade-kit-for-2-slr-reef-complete-kit-for-selden-b250-boom-section-2009","title":"Single line reef, upgrade kit for 2 SLR reef. Complete kit. For Seldén B250 boom section (2008 -)","description":"\u003cp\u003eUpgrade from slab reef to the convenience of Single Line Reefing. This kit is for B250 booms made 2008 or later. Check the article number of your boom end (aft part). If it is 500-043 this is the right kit for your boom. \u003c\/p\u003e\u003cp\u003eInstant reefing with Single Line Reef\u003c\/p\u003e\u003cp\u003eSingle Line Reef is made practical and reliable by Seldén. All you do is ease off the halyard to premarked reefing points and then haul in on the reefing line. The luff and the leech are reefed at the same time. A system of guided blocks inside the boom ensures that the lines do not tangle. The system has a 2:1 gear ratio for effortless reefing, without having to leave the cockpit.\u003c\/p\u003e\u003cp\u003eThe kit contains:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eø12 mm white\/blue 32\/3 Polyester line for reef 1. 8 + 31 m\u003c\/li\u003e\n\u003cli\u003eø12 mm white\/red 32\/3 Polyester line for reef 2. 8 + 47 m\u003c\/li\u003e\n\u003cli\u003e2 composite Single Line sliders that run in tracks inside the boom.\u003c\/li\u003e\n\u003cli\u003e2 reef shackles\u003c\/li\u003e\n\u003cli\u003e6 composite sheaves for outboard- and inboard end\u003c\/li\u003e\n\u003cli\u003e2 ø14 mm x 58 mm shaft\u003c\/li\u003e\n\u003cli\u003eInstructions\u003cbr\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Selden Mast AB","offers":[{"title":"Default Title","offer_id":52635227423053,"sku":"611-015-25","price":18547.5,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/5701\/8445\/files\/index_e775cdee-f40a-4421-b776-aa85f5782177.jpg?v=1761141556"}],"url":"https:\/\/shop.seldenmast.com\/collections\/single-line-reef-kits.oembed","provider":"Seldén Yacht Store SE","version":"1.0","type":"link"}