{"product_id":"stairmaster-gravitron-2000-assisted-chin-dip-remanufactured","title":"StairMaster Gravitron 2000 Assisted Chin-Dip (Remanufactured)","description":"\u003cstyle\u003e\n  .bs-wrap *{box-sizing:border-box;margin:0;padding:0}\n  .bs-wrap{font-family:'Barlow',sans-serif;color:#1a1a1a;max-width:700px}\n  .bs-badge{display:inline-block;background:#1a1a1a;color:#f0ebe3;font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;padding:4px 10px;border-radius:3px;margin-bottom:16px}\n  .bs-desc{font-size:15px;line-height:1.8;color:#444;margin-bottom:24px}\n  .bs-desc strong{color:#1a1a1a;font-weight:500}\n  .bs-divider{border:none;border-top:1px solid #e5e5e5;margin:24px 0}\n  .bs-section-label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#999;font-weight:500;margin-bottom:12px}\n  .bs-muscles{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}\n  .bs-muscle-tag{font-size:12px;font-weight:500;padding:5px 13px;border-radius:20px;background:#fff7ed;color:#92400e;border:1px solid #fcd9a0}\n  .bs-muscle-tag.sec{background:#f5f5f5;color:#666;border-color:#e0e0e0}\n  .bs-function-label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#dc2626;font-weight:600;margin-bottom:6px;margin-top:14px}\n  .bs-exercises{display:flex;flex-wrap:wrap;gap:6px}\n  .bs-exercise-tag{font-size:11px;font-weight:500;padding:3px 10px;border-radius:20px;background:#f0f0f0;color:#555;border:1px solid #e0e0e0}\n  .bs-specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}\n  .bs-spec-card{background:#f7f7f5;border-radius:8px;padding:14px 16px}\n  .bs-spec-label{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#999;margin-bottom:4px}\n  .bs-spec-val{font-family:'Barlow Condensed',sans-serif;font-size:20px;font-weight:600;color:#1a1a1a}\n  .bs-spec-sub{font-size:12px;color:#888;margin-top:3px}\n  .bs-feat{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-top:1px solid #efefef}\n  .bs-feat:last-child{border-bottom:1px solid #efefef}\n  .bs-feat-icon{width:30px;height:30px;border-radius:50%;background:#fff0f0;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}\n  .bs-feat-icon svg{width:14px;height:14px;stroke:#dc2626;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n  .bs-feat-name{font-size:14px;font-weight:500;color:#1a1a1a;margin-bottom:3px}\n  .bs-feat-desc{font-size:13px;color:#666;line-height:1.6}\n  .bs-span2{grid-column:span 2}\n\u003c\/style\u003e\n\u003cdiv class=\"bs-wrap\"\u003e\n\u003cp class=\"bs-desc\"\u003eThe StairMaster Gravitron 2000 delivers \u003cstrong\u003eassisted chin-up, pull-up, and dip training with a 180 lb stack in 10 lb increments, exclusive linear tracking mechanism, and heavy-duty commercial construction on a 511 lb frame\u003c\/strong\u003e — the counterbalance system works by adding the selected stack weight to the upward force available to the user: a 180 lb user selecting 60 lb of assistance effectively trains at 120 lb of body weight through the movement. This allows users who cannot yet complete a full unassisted chin-up or dip to train the exact movement pattern at a manageable load, building the specific strength required for the unassisted version. 10 lb increments enable precise, gradual progression — reducing assistance by one increment at a time as strength develops is the most controlled path toward unassisted bodyweight performance. The exclusive linear tracking mechanism moves the knee platform on a fixed linear path rather than through a pivot arc, which keeps the user's body traveling in a consistent vertical line rather than swinging forward or backward at the top of the movement — reducing the joint stress that pivot-based systems produce at end range.\u003c\/p\u003e\n\u003cp class=\"bs-desc\"\u003eChin-up, pull-up, and dip all accessible from the same station. \u003cstrong\u003e511 lb StairMaster commercial frame\u003c\/strong\u003e, 180 lb stack, 10 lb increments, 49\" × 52\" footprint. Remanufactured.\u003c\/p\u003e\n\u003chr class=\"bs-divider\"\u003e\n\u003cp class=\"bs-section-label\"\u003eSupported exercises\u003c\/p\u003e\n\u003cdiv class=\"bs-exercises\"\u003e\n\u003cspan class=\"bs-exercise-tag\"\u003eAssisted Chin-Ups\u003c\/span\u003e \u003cspan class=\"bs-exercise-tag\"\u003eAssisted Pull-Ups\u003c\/span\u003e \u003cspan class=\"bs-exercise-tag\"\u003eAssisted Dips\u003c\/span\u003e \u003cspan class=\"bs-exercise-tag\"\u003eNegative Chin-Ups\u003c\/span\u003e \u003cspan class=\"bs-exercise-tag\"\u003eNegative Dips\u003c\/span\u003e\n\u003c\/div\u003e\n\u003chr class=\"bs-divider\"\u003e\n\u003cp class=\"bs-section-label\"\u003eMuscles targeted by function\u003c\/p\u003e\n\u003cdiv class=\"bs-function-label\"\u003eChin-Up \/ Pull-Up\u003c\/div\u003e\n\u003cdiv class=\"bs-muscles\" style=\"margin-bottom: 6px;\"\u003e\n\u003cspan class=\"bs-muscle-tag\"\u003eLatissimus Dorsi\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eBiceps Brachii\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eRhomboids\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eTrapezius\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag sec\"\u003eRear Deltoids\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag sec\"\u003eBrachialis\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag sec\"\u003eCore\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-function-label\"\u003eDip\u003c\/div\u003e\n\u003cdiv class=\"bs-muscles\" style=\"margin-bottom: 0;\"\u003e\n\u003cspan class=\"bs-muscle-tag\"\u003ePectoralis Major\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eTriceps Brachii\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag\"\u003eAnterior Deltoids\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag sec\"\u003eSerratus Anterior\u003c\/span\u003e \u003cspan class=\"bs-muscle-tag sec\"\u003eCore\u003c\/span\u003e\n\u003c\/div\u003e\n\u003chr class=\"bs-divider\"\u003e\n\u003cp class=\"bs-section-label\"\u003eKey features\u003c\/p\u003e\n\u003cdiv class=\"bs-feat\"\u003e\n\u003cdiv class=\"bs-feat-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cline x1=\"12\" y1=\"20\" x2=\"12\" y2=\"4\"\u003e\u003c\/line\u003e\u003cline x1=\"5\" y1=\"7\" x2=\"12\" y2=\"4\"\u003e\u003c\/line\u003e\u003cline x1=\"19\" y1=\"7\" x2=\"12\" y2=\"4\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003e180 lb Stack · 10 lb Increments — Precise Progression to Unassisted\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eCounterbalance adds selected stack weight to upward force — a 180 lb user at 60 lb assistance trains at an effective 120 lb through the full movement pattern. 10 lb increments allow precise, gradual reduction in assistance as strength develops — the most controlled progression path toward unassisted chin-up and dip performance. Trains the exact movement pattern rather than a substitute exercise.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-feat\"\u003e\n\u003cdiv class=\"bs-feat-icon\"\u003e\u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 12c-2-2.5-4-4-6-4a4 4 0 0 0 0 8c2 0 4-1.5 6-4z\"\u003e\u003c\/path\u003e\u003cpath d=\"M12 12c2 2.5 4 4 6 4a4 4 0 0 0 0-8c-2 0-4 1.5-6 4z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"bs-feat-name\"\u003eLinear Tracking Mechanism — Vertical Path, Reduced Joint Stress\u003c\/div\u003e\n\u003cdiv class=\"bs-feat-desc\"\u003eExclusive linear tracking moves the knee platform on a fixed vertical path rather than through a pivot arc — keeping the user's body traveling in a consistent vertical line throughout the movement. Pivot-based systems allow the platform to swing forward or backward at end range, creating joint stress as momentum redirects. Linear tracking eliminates this by constraining motion to a single axis.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"bs-divider\"\u003e\n\u003cp class=\"bs-section-label\"\u003eSpecifications\u003c\/p\u003e\n\u003cdiv class=\"bs-specs-grid\"\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eDimensions (L × W × H)\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e49\" × 52\" × 80\"\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eMachine Weight\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e511 lb\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eWeight Stack\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003e180 lb · 10 lb Steps\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003eLinear tracking · Assisted chin \/ pull-up \/ dip · 511 lb frame\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eCondition\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003eRemanufactured\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003eStairMaster Gravitron 2000 · \u003ca href=\"https:\/\/ctxhomegyms.com\/pages\/what-is-refurbished\" style=\"color: #888; text-decoration: underline;\"\u003eView condition details\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-card bs-span2\"\u003e\n\u003cdiv class=\"bs-spec-label\"\u003eDesign\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-val\"\u003eLinear Track · 180 lb · 10 lb Steps · 511 lb\u003c\/div\u003e\n\u003cdiv class=\"bs-spec-sub\"\u003eLinear tracking mechanism · 180 lb counterbalance stack · 10 lb increments · Chin-up, pull-up \u0026amp; dip · 511 lb commercial frame · 49\"×52\" footprint\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- ============================================================\nSEO FIELDS — paste these into Shopify's Search Engine Listing section\n============================================================\n\nPage title (max 60 chars):\nStairMaster Gravitron 2000 Chin-Dip | Remanufactured\n\nMeta description (max 160 chars):\nRemanufactured StairMaster Gravitron 2000. Assisted chin-up, pull-up, dip, 180 lb stack, 10 lb increments, linear tracking, 511 lb commercial bodyweight machine.\n\nTags (comma separated):\nStairMaster Gravitron 2000, Gravitron 2000 remanufactured, assisted chin up machine, assisted dip machine, assisted pull up machine, 180lb assisted chin dip, linear tracking chin dip, counterbalance chin up, commercial bodyweight machine, remanufactured chin dip\n\n============================================================ --\u003e","brand":"StairMaster","offers":[{"title":"Default Title","offer_id":48937102409968,"sku":"SM-GRAV-2000","price":1995.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0510\/0981\/4682\/files\/MADETOORDERV2_62.png?v=1772631489","url":"https:\/\/www.buildagym.com\/products\/stairmaster-gravitron-2000-assisted-chin-dip-remanufactured","provider":"Build A Gym","version":"1.0","type":"link"}