{"product_id":"north-sonar-aluminum-foil-mast","title":"North Sonar Aluminum Foil Mast","description":"\u003ch2\u003eNorth Sonar Aluminum Foil Mast – AK \u0026amp; AF\u003c\/h2\u003e\n\u003cp\u003eThe North Sonar Aluminum Mast is a strong, affordable, CNC-machined mast made from anodized aeronautical-grade aluminum. It uses North's GeoLock tapered geometry locking system for a solid, load-bearing connection to the fuselage, and works with any Sonar carbon or alloy fuselage.\u003c\/p\u003e\n\u003cp\u003eThis listing includes two versions of the Sonar aluminum mast:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAK (Alloy Kite)\u003c\/strong\u003e – a slimmer mast section with an optimized stiffness-to-weight ratio, built for kitefoiling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAF (Alloy Foil)\u003c\/strong\u003e – a thicker-walled, wider section that's about 30% stiffer than the AK for only about 13% more weight. It handles the higher loads of wing, prone surf, SUP and kite foiling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e\u003c\/span\u003e AK and AF masts use different board adaptors and are not interchangeable. AK masts need the Sonar \u003cstrong\u003eAK\u003c\/strong\u003e Board Adaptor, and AF masts need the Sonar \u003cstrong\u003eAF\u003c\/strong\u003e Board Adaptor. \u003cstrong\u003eAdaptors are sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eAK vs. AF: What's the Difference?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eAK (Alloy Kite)\u003c\/th\u003e\n\u003cth\u003eAF (Alloy Foil)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesigned for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKitefoiling\u003c\/td\u003e\n\u003ctd\u003eWing, prone surf, SUP and kite foiling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSizes on this listing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAK70 \/ AK85\u003c\/td\u003e\n\u003ctd\u003eAF55 \/ AF72 \/ AF85\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMast width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16mm\u003c\/td\u003e\n\u003ctd\u003e18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChord\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120mm\u003c\/td\u003e\n\u003ctd\u003e125mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStiffness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eAbout 30% stiffer than AK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLighter\u003c\/td\u003e\n\u003ctd\u003eAbout 13% heavier than AK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6000-series aluminum\u003c\/td\u003e\n\u003ctd\u003e6000-series aluminum (thicker wall)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard adaptor required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSonar AK Board Adaptor\u003c\/td\u003e\n\u003ctd\u003eSonar AF Board Adaptor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGeoLock fuselage connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFits any Sonar carbon or alloy fuselage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhich Length Should I Choose?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMast\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAF55\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003ctd\u003eVery shallow spots and learning to foil, with easy recovery close to the water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAF72\u003c\/td\u003e\n\u003ctd\u003e72 cm\u003c\/td\u003e\n\u003ctd\u003eShallower water and prone surf foiling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAF85\u003c\/td\u003e\n\u003ctd\u003e85 cm\u003c\/td\u003e\n\u003ctd\u003eAll-round mast for every discipline, with more ride height to clear chop and swell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAK70\u003c\/td\u003e\n\u003ctd\u003e70 cm\u003c\/td\u003e\n\u003ctd\u003eLearning to kitefoil and freeriding in shallow or flat water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAK85\u003c\/td\u003e\n\u003ctd\u003e85 cm\u003c\/td\u003e\n\u003ctd\u003eKitefoiling in chop, with a more controlled high-speed ride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCNC-machined, anodized aeronautical-grade aluminum\u003c\/li\u003e\n\u003cli\u003eGeoLock tapered geometry locking system for a load-bearing connection\u003c\/li\u003e\n\u003cli\u003eCompatible with any Sonar carbon or alloy fuselage\u003c\/li\u003e\n\u003cli\u003eAF section is about 30% stiffer than AK for only about 13% more weight\u003c\/li\u003e\n\u003cli\u003eBoard adaptor required, sold separately (AK and AF adaptors are not interchangeable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNorth Sonar Aluminum Mast (AK or AF, in the size selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eBoard adaptor, fuselage, wings and hardware sold separately.\u003c\/em\u003e\u003c\/p\u003e","brand":"NORTH","offers":[{"title":"AF55","offer_id":46098403033410,"sku":"85010.210123.55","price":199.0,"currency_code":"USD","in_stock":true},{"title":"AF72","offer_id":45787936686402,"sku":"85010.210123.72","price":219.0,"currency_code":"USD","in_stock":true},{"title":"AF85","offer_id":45787936719170,"sku":"85010.210123.85","price":239.0,"currency_code":"USD","in_stock":false},{"title":"AK85","offer_id":51670035923266,"sku":"85010.210122 -ak","price":143.2,"currency_code":"USD","in_stock":true},{"title":"AK70","offer_id":51670035956034,"sku":"85010.210122 ak7","price":119.2,"currency_code":"USD","in_stock":true},{"title":"AF95","offer_id":67680766460226,"sku":"85010.210123.95","price":259.0,"currency_code":"USD","in_stock":false},{"title":"AF80","offer_id":67680766492994,"sku":"85010.210123.80","price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2073\/5535\/files\/117456_71b2c41471dae8c8deebf13bb51d2aba32fed404.png?v=1761258488","url":"https:\/\/forcekiteandwake.com\/products\/north-sonar-aluminum-foil-mast","provider":"Force Kiteboarding","version":"1.0","type":"link"}