{"id":9243,"date":"2023-09-07T16:17:17","date_gmt":"2023-09-07T14:17:17","guid":{"rendered":"https:\/\/shopandsail.fr\/?post_type=product&#038;p=9243"},"modified":"2026-06-29T12:36:40","modified_gmt":"2026-06-29T10:36:40","slug":"lewmar-72mm-synchro-block-single","status":"publish","type":"product","link":"https:\/\/shopandsail.com\/en\/shop\/blocks\/ball-bearing-blocks-en\/lewmar-72mm-synchro-block-single\/","title":{"rendered":"Lewmar Synchro Single Swivel Block"},"content":{"rendered":"<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"96\" data-end=\"417\">Lewmar Synchro blocks have been engineered to maximize sailing efficiency while reducing the effort required for onboard maneuvers. Thanks to an optimized design that improves rope alignment and minimizes friction, they deliver significantly better performance than conventional blocks, particularly in mainsheet systems.<\/p>\n<p data-start=\"419\" data-end=\"635\">Every component is designed to ensure smooth load transfer between the deck hardware and the rigging. The composite bearing system provides excellent load distribution while helping to reduce wear on ropes and lines.<\/p>\n<p data-start=\"637\" data-end=\"952\">Their robust construction combines a stainless steel strap with glass fiber reinforced side plates, ensuring outstanding strength and durability in demanding marine environments. The innovative swivel locking mechanism allows quick and easy switching between fixed and rotating positions without the need for tools.<\/p>\n<p data-start=\"954\" data-end=\"1126\">Synchro plain-bearing blocks are particularly well suited for applications involving high static loads and are ideal for both cruising yachts and performance sailing boats.<\/p>\n<h3 data-section-id=\"1iz91iu\" data-start=\"1128\" data-end=\"1144\">Key Features<\/h3>\n<ul data-start=\"1146\" data-end=\"1402\">\n<li data-section-id=\"vr0cmf\" data-start=\"1146\" data-end=\"1203\">Composite bearing system designed for high static loads<\/li>\n<li data-section-id=\"y9stiy\" data-start=\"1204\" data-end=\"1242\">High-strength stainless steel straps<\/li>\n<li data-section-id=\"yd80j9\" data-start=\"1243\" data-end=\"1279\">Glass fiber reinforced side plates<\/li>\n<li data-section-id=\"1wogmdf\" data-start=\"1280\" data-end=\"1307\">Tool-free locking swivels<\/li>\n<li data-section-id=\"1kd8wfn\" data-start=\"1308\" data-end=\"1353\">Low-friction design for improved efficiency<\/li>\n<li data-section-id=\"1lokaqs\" data-start=\"1354\" data-end=\"1402\">Excellent resistance to the marine environment<\/li>\n<\/ul>\n<h3 data-section-id=\"qhba7d\" data-start=\"1404\" data-end=\"1423\">Available Sizes<\/h3>\n<ul data-start=\"1425\" data-end=\"1464\">\n<li data-section-id=\"b81579\" data-start=\"1425\" data-end=\"1434\">\u00d8 50 mm<\/li>\n<li data-section-id=\"b7d846\" data-start=\"1435\" data-end=\"1444\">\u00d8 60 mm<\/li>\n<li data-section-id=\"b9ecph\" data-start=\"1445\" data-end=\"1454\">\u00d8 72 mm<\/li>\n<li data-section-id=\"baut95\" data-start=\"1455\" data-end=\"1464\">\u00d8 90 mm<\/li>\n<\/ul>\n<h3 data-section-id=\"1cdzs8q\" data-start=\"1466\" data-end=\"1494\">Recommended Applications<\/h3>\n<ul data-start=\"1496\" data-end=\"1597\">\n<li data-section-id=\"1299red\" data-start=\"1496\" data-end=\"1513\">Halyard systems<\/li>\n<li data-section-id=\"130fb72\" data-start=\"1514\" data-end=\"1540\">Mainsheet tackle systems<\/li>\n<li data-section-id=\"fqsaq4\" data-start=\"1541\" data-end=\"1559\">Mast base blocks<\/li>\n<li data-section-id=\"1y1g7ld\" data-start=\"1560\" data-end=\"1577\">Masthead blocks<\/li>\n<li data-section-id=\"1h82cfj\" data-start=\"1578\" data-end=\"1597\">Boom vang systems<\/li>\n<\/ul>\n<p data-start=\"1599\" data-end=\"1823\" data-is-last-node=\"\" data-is-only-node=\"\">Designed by <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Lewmar<\/span><\/span>, Synchro blocks provide a reliable and high-performance solution for improving onboard handling, reducing line loads, and enhancing sailing comfort on all types of sailboats.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lewmar Synchro blocks deliver outstanding efficiency and smooth operation thanks to their optimized design, which minimizes friction and improves line handling. Built for durability, they feature stainless steel straps and glass fiber reinforced side plates to withstand the demanding marine environment. Available in 50 mm, 60 mm, 72 mm, and 90 mm diameters, they are ideal for halyards, mainsheet systems, boom vangs, and other high-load sailing applications.<\/p>\n","protected":false},"featured_media":2318,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"monocoques":[],"multicoques":[1453,1441],"stock":[],"product_brand":[],"product_cat":[297,1209,1221],"product_tag":[],"product_brands":[1498],"class_list":{"0":"post-9243","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"multicoques-fly-46-en","7":"multicoques-nautitech-catamarans-en","8":"product_cat-fittings-en","9":"product_cat-blocks","10":"product_cat-ball-bearing-blocks-en","11":"pa_diametre-o-72-mm","12":"pa_diametre-o-90-mm","13":"pa_diametre-o-50-mm-en","14":"pa_diametre-o-60-mm-en","15":"product_brands-lewmar-en","17":"first","18":"onbackorder","19":"taxable","20":"shipping-taxable","21":"purchasable","22":"product-type-variable","23":"entry","24":"content-bg","25":"loop-entry"},"bundled_by":[],"bundle_stock_status":"onbackorder","bundle_stock_quantity":0,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lewmar Synchro Single Swivel Block - Shop and Sail<\/title>\n<meta name=\"description\" content=\"Shop &amp; Sail offers Lewmar&#039;s Synchro single block. Enjoy a reliable and easy-to-use block for your catamaran in diameter 50, 60, 72 and 90mm\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/shopandsail.com\/en\/shop\/blocks\/ball-bearing-blocks-en\/lewmar-72mm-synchro-block-single\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lewmar Synchro Single Swivel Block - Shop and Sail\" \/>\n<meta property=\"og:description\" content=\"Shop &amp; Sail offers Lewmar&#039;s Synchro single block. 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