{"product_id":"leviathan-blackbird-1400","title":"Leviathan Blackbird Kit 1400-SDW375-75 - Modular Backtail","description":"\u003cdiv class=\"product-page\"\u003e\n\u003cp\u003eThe Leviathan Blackbird 1400-SDW375-75 Kit is a high-aspect glider set designed for those seeking exceptional glide, unprecedented pumpability, and top-level performance in downwind, pumping, and prone surfing. The combination of the Leviathan 1400 Blackbird wing, the full carbon Blackbird fuselage, the SDW375 stabilizer, and the M75 Blackbird mast creates an extremely smooth, fast, and efficient system over long distances.\u003c\/p\u003e\n\u003cp\u003eEach component is tuned to minimize drag and maximize the conversion of every pump into horizontal propulsion, transforming every downwind run into a continuous line of glide with very little added effort.\u003c\/p\u003e\n\u003ch2\u003eKey Strengths\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-aspect glider set dedicated to downwind, pumping, SUP foil, and prone surfing.\u003c\/li\u003e\n\u003cli\u003eExceptional glide with impressive ability to maintain speed between bumps.\u003c\/li\u003e\n\u003cli\u003eTop-level pumpability: designed for repeated long-distance pumping with less fatigue.\u003c\/li\u003e\n\u003cli\u003eBlackbird active-lift fuselage and SDW375 stabilizer for optimized trim and low drag.\u003c\/li\u003e\n\u003cli\u003eBlackbird 75 UMH W-Core mast for extreme stiffness and precise control in every situation.\u003c\/li\u003e\n\u003cli\u003eFC\/M full carbon modular backtail for fine-tuning via positive and negative shims.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIntermediate–advanced riders focused on downwind, pumping, dock-start, and performance prone surfing.\u003c\/li\u003e\n\u003cli\u003eFoiler who wants a fast, efficient, and stable glider to connect distant wakes and bumps.\u003c\/li\u003e\n\u003cli\u003eThose who want the ultimate in glide and efficiency rather than freestyle or aggressive jumps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eComponents Included in the Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBlackbird 75 UMH W-Core Mast – M75\/BB.\u003c\/li\u003e\n\u003cli\u003eLeviathan Blackbird 1400 Front Wing – WL1400\/BB.\u003c\/li\u003e\n\u003cli\u003eFull Carbon Blackbird Fuselage – Size M – FC\/M.\u003c\/li\u003e\n\u003cli\u003eDownwind Stabilizer 375 – SDW\/375.\u003c\/li\u003e\n\u003cli\u003eCarbon rail plate with titanium inserts – CP02K\/Ti.\u003c\/li\u003e\n\u003cli\u003eBlackbird Glider Hardware Kit – MH171.\u003c\/li\u003e\n\u003cli\u003eMast to Blackbird Hardware Kit – MH172.\u003c\/li\u003e\n\u003cli\u003eCarbon Plate to Rail Board Hardware Kit – MH160.\u003c\/li\u003e\n\u003cli\u003eSpare pins and shims for Q02K – MHQ02.\u003c\/li\u003e\n\u003cli\u003eFoam pad for plate – MH144.\u003c\/li\u003e\n\u003cli\u003eNegative shims for stabilizers – MHW060.\u003c\/li\u003e\n\u003cli\u003ePositive shims for stabilizers – MHW061.\u003c\/li\u003e\n\u003cli\u003eAllen keys, Torx keys, and grease – MH137.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ch3\u003eLeviathan Blackbird 1400 Front Wing (WL1400\/BB)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWingspan: 1380 mm.\u003c\/li\u003e\n\u003cli\u003eSurface Area: 1549 cm².\u003c\/li\u003e\n\u003cli\u003eAspect Ratio (AR): 12.3.\u003c\/li\u003e\n\u003cli\u003eMaximum Chord: 173 mm.\u003c\/li\u003e\n\u003cli\u003eMaximum Profile Thickness: 18 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSDW375 Stabilizer\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWingspan: 375 mm.\u003c\/li\u003e\n\u003cli\u003eSurface Area: 130 cm².\u003c\/li\u003e\n\u003cli\u003eAspect Ratio (AR): 10.4.\u003c\/li\u003e\n\u003cli\u003eMaximum Chord: 50 mm.\u003c\/li\u003e\n\u003cli\u003eMaximum Profile Thickness: 7.7 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFuselage, Mast, and Kit Weight\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFull carbon Blackbird fuselage – total length: 675 mm.\u003c\/li\u003e\n\u003cli\u003eBlackbird Mast – height: 750 mm.\u003c\/li\u003e\n\u003cli\u003eBoard connection: carbon plate (rail mount).\u003c\/li\u003e\n\u003cli\u003eApproximate foil kit weight: approx. 4.5 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance in Water\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct line: Blackbird.\u003c\/li\u003e\n\u003cli\u003eRange: Leviathan.\u003c\/li\u003e\n\u003cli\u003eRecommended for: Freeride, Dock-Start, Pumping, SUP, Downwind.\u003c\/li\u003e\n\u003cli\u003eTake-off speed: 7 – 9 knots.\u003c\/li\u003e\n\u003cli\u003eApproximate top speed (80 kg rider): 16 – 18 knots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTech \u0026amp; Feel\u003c\/h2\u003e\n\u003ch3\u003eOvercoming drag over long distances\u003c\/h3\u003e\n\u003cp\u003eThe real limit in long downwind and pumping sessions isn't staying airborne, but fighting drag: the 1400 Blackbird is designed to glide, not just to support. The feeling is one of always \"sailing\" forward, with each pump adding horizontal speed instead of just being effort to stay clear of the water.\u003c\/p\u003e\n\u003ch3\u003eAn ecosystem of synergistic performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWL1400\/BB – Glide engine: very high AR and thin profile deliver frictionless glide and high cruising speeds with little input.\u003c\/li\u003e\n\u003cli\u003eIntegrated Active-Lift Fuselage: the lifting section works in synergy with the wing, making dead-starts more consistent and take-off more explosive for such a technical glider.\u003c\/li\u003e\n\u003cli\u003eFC\/M modular tail: \"granitic\" torsional stiffness eliminates flex, making the foil precise even under heavy load and intense pumping.\u003c\/li\u003e\n\u003cli\u003eSDW375 Stab: tuned for long downwind, it offers impeccable directional stability but leaves the foil free enough for high-frequency pumping.\u003c\/li\u003e\n\u003cli\u003eM75\/BB: the ultra-high modulus carbon mast with W-Core provides a direct board-foil connection, maximizing energy transmission and feedback underfoot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions (Q\u0026amp;A)\u003c\/h2\u003e\n\u003ch3\u003eWhat type of rider should choose the Leviathan Blackbird 1400-SDW375-75 Kit?\u003c\/h3\u003e\n\u003cp\u003eIt's the ideal choice for intermediate–advanced riders who see foiling as long-distance downwind and pump, and want the ultimate in efficiency and glide, rather than jumps or freestyle.\u003c\/p\u003e\n\u003ch3\u003eIs it suitable as a first pump\/downwind foil?\u003c\/h3\u003e\n\u003cp\u003eIt can be used as a first downwind glider for riders already comfortable with foiling; its character is still relatively accessible compared to pure PROs, but it remains a high-performance kit, not an absolute entry-level one.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference compared to the 1300 Blackbird kit?\u003c\/h3\u003e\n\u003cp\u003eThe 1400 offers more glide and lift at low speeds, making it more of a \"pure glider\" and a little easier over long distances; the 1300 is faster and geared towards high-frequency pumping with higher cruising speeds.\u003c\/p\u003e\n\u003ch3\u003eFor what uses is this set less suitable?\u003c\/h3\u003e\n\u003cp\u003eIt is not designed for aerial freestyle or large jumps: the structure is optimized for efficiency and glide; for tricks and big air, kits like Medusa, Balz Pro or Razor are more suitable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sabfoil","offers":[{"title":"1549","offer_id":61467939373386,"sku":"KL1400-FCM-SDW375-75\/BB","price":1999.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/3547\/6810\/files\/Screenshot2026-03-31alle18.39.15.jpg?v=1774975256","url":"https:\/\/shop.zzsurf.com\/en\/products\/leviathan-blackbird-1400","provider":"ZZSURF","version":"1.0","type":"link"}