{"product_id":"crunch-abdominal-y-extension-de-espalda-maquina-selectorizada-dual-pro-tech-series","title":"Abdominal Crunch \u0026 Lower Back | Selectorized dual machine - Pro Tech Series","description":"\u003ch2\u003eDual Selectorized Abdominal Crunch and Back Extension Machine – Pro Tech Series\u003c\/h2\u003e\n\u003cp\u003eThe dual selectorized \u003cstrong\u003eAbdominal Crunch and Back Extension Pro Tech Series\u003c\/strong\u003e machine combines two fundamental core exercises in a single piece of equipment, ideal for maximizing performance in optimized spaces without compromising professional quality.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e1:1 ratio selectorized resistance system\u003c\/strong\u003e provides direct, progressive resistance throughout the entire range of motion. The \u003cstrong\u003eQ235 steel\u003c\/strong\u003e frame ensures maximum rigidity and stability, while the chrome-plated solid shaft guides and nylon pulley system provide precise, low-friction movement throughout every session.\u003c\/p\u003e\n\u003ch3\u003eOne roller, two core exercises\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eadjustable roller\u003c\/strong\u003e is positioned in front of the torso to perform the \u003cstrong\u003eabdominal crunch\u003c\/strong\u003e or behind it to train the \u003cstrong\u003elower back and glutes\u003c\/strong\u003e, without the need to switch equipment. The \u003cstrong\u003edual foot support platform\u003c\/strong\u003e provides stability during both exercises.\u003c\/p\u003e\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual function in one machine\u003c\/strong\u003e: abdominal crunch and lower back extension combined in the same machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront or rear roller position\u003c\/strong\u003e: switch between both exercises without changing equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual foot support platform\u003c\/strong\u003e: greater stability during exercise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide handles\u003c\/strong\u003e: greater comfort and stability during exercise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:1 resistance ratio\u003c\/strong\u003e: real, progressive resistance throughout the entire range of motion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision incremental weight\u003c\/strong\u003e: 2 magnetic 2.3 kg pins included as standard, allowing finer load adjustment than the industry standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ235 steel frame\u003c\/strong\u003e: anti-corrosion electrostatic coating and maximum rigidity in every component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 mm reinforced load arm\u003c\/strong\u003e: greater thickness than the industry standard for maximum resistance at the load transmission point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome-plated solid shaft guides\u003c\/strong\u003e: high wear resistance and precise movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNylon pulleys\u003c\/strong\u003e: smooth, quiet, low-friction movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber-coated steel cable\u003c\/strong\u003e: smooth, durable, quiet transmission.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbon fiber upholstery\u003c\/strong\u003e: superior support and comfort under high-intensity loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic weight selector\u003c\/strong\u003e: magnetic pin for selecting the weight stack, faster, more convenient, and safer than the traditional mechanical pin system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e bottle and phone holder\u003c\/strong\u003e: integrated into the housing, keeping essentials within reach during training.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 129 × 116 × 160 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 260 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight stack\u003c\/strong\u003e: 117 kg + 4.6 kg (2 × 2.3 kg pins), expandable to 138 kg on request\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame\u003c\/strong\u003e: Q235 steel, flat oval, 65 × 114 × 2.5 mm, with anti-corrosion electrostatic coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad arm\u003c\/strong\u003e: Q235 steel, flat oval, 40 × 70 × 3 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight stack frame\u003c\/strong\u003e: Q235 steel, D-shaped, 76 × 130 × 2.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum user weight\u003c\/strong\u003e: 180 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance ratio\u003c\/strong\u003e: 1:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide material\u003c\/strong\u003e: chrome-plated solid shaft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley material\u003c\/strong\u003e: nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable material\u003c\/strong\u003e: rubber-coated steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable diameter\u003c\/strong\u003e: Ø 5.6 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandles\u003c\/strong\u003e: side handles, TPV with aluminum finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpholstery\u003c\/strong\u003e: carbon fiber with leather and foam finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: CE and EN ISO 20957\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fitness Tech","offers":[{"title":"Default Title","offer_id":54970650034505,"sku":"PSE-29005","price":11434.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0509\/9552\/7861\/files\/SE-29005-1.jpg?v=1787408390","url":"https:\/\/www.fitnesstech.com.pl\/en\/products\/abdominal-crunch-lower-back-selectorized-dual-machine-pro-tech-series","provider":"Fitness Tech","version":"1.0","type":"link"}