{"product_id":"gronk-fitness-selectorized-dual-leg-extension-curl-discontinued","title":"Gronk Fitness Selectorized Dual Leg Extension\/Curl - Final Stock","description":"\u003ch1 style=\"font-size:36px; line-height:1.2; color:#111111; margin:0 0 16px 0;\"\u003eGronk Fitness Selectorized Dual Leg Extension\/Curl - Final Stock\u003c\/h1\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0 0 14px 0; color:#333;\"\u003eThe Gronk Fitness Selectorized Dual Leg Extension\/Curl is a premium lower-body strength machine designed to enhance your leg workouts. Perfect for commercial gyms, training studios, and serious home gym enthusiasts, this dual-function machine offers both leg extensions and leg curls in a single, efficient station.\u003c\/p\u003e\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0 0 24px 0; color:#333;\"\u003eEngineered with a solid steel frame, the machine features a selectorized weight stack for quick resistance adjustments, ensuring a seamless workout experience. Its adjustable seat and backrest, along with marine-grade double-stitched upholstery, provide comfort and durability. The machine's compact design allows for effective quadriceps and hamstring training without the need for separate equipment.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:24px; line-height:1.3; color:#111111; border-bottom:2px solid #DBBB3C; padding-bottom:6px; margin:28px 0 14px 0;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"margin:0 0 24px 0; padding-left:1.4em; font-size:15px; line-height:1.75; color:#333;\"\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eDual-function design:\u003c\/strong\u003e Supports both leg extension and leg curl exercises from one selectorized strength station.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eBalanced strength development:\u003c\/strong\u003e Targets the quadriceps and hamstrings for comprehensive lower-body training.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eQuick resistance changes:\u003c\/strong\u003e Selectorized weight stack allows fast adjustments without loading or unloading plates.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Solid steel frame supports demanding commercial and home gym environments.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eSmooth operation:\u003c\/strong\u003e Self-lubricated bushings maintain consistent feel through each repetition.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eFluid motion:\u003c\/strong\u003e Sealed-bearing nylon pulleys provide consistent cable tension during training.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eEnhanced durability:\u003c\/strong\u003e Nylon-coated cables support smooth resistance delivery.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eCustomizable fit:\u003c\/strong\u003e Adjustable seat and backrest help users align properly for exercises.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eComfortable upholstery:\u003c\/strong\u003e Marine-grade double-stitched upholstery enhances comfort and wear resistance.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eProtective design:\u003c\/strong\u003e Tinted low-profile weight shrouds protect the stack and maintain a clean look.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eFloor protection:\u003c\/strong\u003e Rubber feet prevent machine movement and protect flooring.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eConvenience:\u003c\/strong\u003e Includes a water bottle holder for added practicality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:24px; line-height:1.3; color:#111111; border-bottom:2px solid #DBBB3C; padding-bottom:6px; margin:28px 0 14px 0;\"\u003eWho This Is For\u003c\/h2\u003e\n\u003cdiv style=\"background:#fffdf5; border:1px solid #DBBB3C; border-radius:6px; padding:16px 20px; margin:0 0 24px 0; font-size:15px; line-height:1.7; color:#333;\"\u003e\n  Ideal for commercial gym owners, training studios, and dedicated home gym users, the Gronk Fitness Selectorized Dual Leg Extension\/Curl is perfect for those seeking efficient lower-body strength training. It caters to athletes focused on balanced leg development and those aiming to enhance knee stability and muscle hypertrophy.\n\u003c\/div\u003e\n\n\u003ch2 style=\"font-size:24px; line-height:1.3; color:#111111; border-bottom:2px solid #DBBB3C; padding-bottom:6px; margin:28px 0 14px 0;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px; margin-bottom:24px;\"\u003e\n  \u003ctr style=\"background:#111111; color:#fff;\"\u003e\n    \u003cth style=\"text-align:left; padding:10px 14px; width:40%;\"\u003eSpecification\u003c\/th\u003e\n    \u003cth style=\"text-align:left; padding:10px 14px;\"\u003eValue\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#fff;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eFrame Construction\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eSolid steel\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f9fafb;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eWeight Selection\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eAluminum weight stack pin\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#fff;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003ePaint\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eAnti-scratch electrostatic powder-coated\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f9fafb;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eCables\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eNylon-coated\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#fff;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eUpholstery\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eMarine-grade, double-stitched\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f9fafb;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eWeight Shroud\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eTinted low profile\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#fff;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003ePulley System\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eSealed-bearing nylon\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f9fafb;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eFeet\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eRubber feet\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:24px; line-height:1.3; color:#111111; border-bottom:2px solid #DBBB3C; padding-bottom:6px; margin:28px 0 14px 0;\"\u003eWarranty\u003c\/h2\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px; margin-bottom:24px;\"\u003e\n  \u003ctr style=\"background:#111111; color:#fff;\"\u003e\n    \u003cth style=\"text-align:left; padding:10px 14px; width:35%;\"\u003eCoverage\u003c\/th\u003e\n    \u003cth style=\"text-align:left; padding:10px 14px;\"\u003eResidential\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:10px 14px;\"\u003eCommercial\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#fff;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eFrame \u0026amp; Welds\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eLifetime\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e10 Years\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f9fafb;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eUpholstery\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e2 Years\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e1 Year\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#fff;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eParts\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eLifetime\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e5 Years\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f9fafb;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eAttachments\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eLifetime\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e1 Year\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#fff;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eCosmetic\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e3 months\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e3 months\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f9fafb;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eLabor\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e1 Year\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e1 Year\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size:12px; color:#666; margin:4px 0 24px 0;\"\u003e2 Years\u003c\/p\u003e\n\u003cspan style=\"display:none;\" aria-hidden=\"true\" data-gg-gen=\"1.4\" data-gg-date=\"2026-06-26\"\u003e\u003c\/span\u003e\n\u003cp style=\"font-size:12px; color:#555; margin:0 0 8px 0; line-height:1.6;\"\u003e\u003cstrong\u003e⚠️ California Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals including those in rubber, foam, plastic, or coated metal components, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Gronk Fitness Products","offers":[{"title":"Default Title","offer_id":45311643680870,"sku":"5405-G2","price":3799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0013\/1471\/7798\/files\/gronkfitness_selectorized-dual-leg-extension-curl-discontinued_main.png?v=1784062646","url":"https:\/\/ggfitness.com\/products\/gronk-fitness-selectorized-dual-leg-extension-curl-discontinued","provider":"G\u0026G Fitness Equipment","version":"1.0","type":"link"}