{"product_id":"force-usa-50-lb-weight-stack-upgrade-set-of-2","title":"Force USA 50 lb Weight Stack Upgrade (Set of 2)","description":"\u003ch1 style=\"font-size:36px; line-height:1.2; color:#111111; margin:0 0 16px 0;\"\u003eForce USA 50 lb Weight Stack Upgrade (Set of 2)\u003c\/h1\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0 0 14px 0; color:#333;\"\u003e\n  This set adds 50 lb to each of two Force USA weight stacks. On a C20 or Functional Trainer Rack, one set takes dual 200 lb stacks to 250 lb per side. A second set is required to reach Force USA’s 300 lb-per-side maximum on those machines.\n\u003c\/p\u003e\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0 0 24px 0; color:#333;\"\u003e\n  Force USA rates this upgrade for the C20, Functional Trainer Rack, and Tandem Tower. On the Tandem Tower, a single-stack upgrade reaches that model’s 250 lb max. Force USA notes that adding the plates when the trainer is assembled is simpler than installing them later.\n\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\u003eSet of Two:\u003c\/strong\u003e Two 50 lb upgrades — one for each stack on a dual-stack trainer.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003e200 lb to 250 lb:\u003c\/strong\u003e Each upgrade adds 50 lb to one stack. This set is the first step on C20 or FTR (250 lb per side).\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003e300 lb Requires a Second Set:\u003c\/strong\u003e Force USA’s C20 \/ FTR maximum of 300 lb per side needs two upgrades per stack (two of these sets).\u003c\/li\u003e\n  \u003cli style=\"margin-bottom:6px;\"\u003e\n\u003cstrong\u003eTandem Tower:\u003c\/strong\u003e One single-stack upgrade reaches that model’s 250 lb max.\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;\"\u003eCompatibility\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  Force USA lists this upgrade for the C20 All-In-One Trainer, Functional Trainer Rack, and Tandem Tower. This listing is the dual 50 lb set. A single-stack SKU is sold separately. An M10-specific dual set is a different Force USA variant and is not this SKU.\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;\"\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  Built for C20, Functional Trainer Rack, or Tandem Tower owners who have already maxed the stock 200 lb stacks and want 250 lb per side (or a path to 300 lb on C20 \/ FTR with a second set).\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\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eSet of 2 (50 lb per stack)\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\u003eAdded Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e50 lb per stack (100 lb total)\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\u003eResult on Dual 200 lb Stacks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e250 lb per side\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\u003ePath to 300 lb \/ Side\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eSecond set required (C20 \/ Functional Trainer Rack)\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\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e100 lb\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\u003eCompatible Trainers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eForce USA C20, Functional Trainer Rack, Tandem Tower\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\u003eNot This SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eSingle 50 lb upgrade; M10 dual-stack variant\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:8px;\"\u003e\n  \u003ctr style=\"background:#111111; color:#fff;\"\u003e\n    \u003cth style=\"text-align:left; padding:10px 14px; width:40%;\"\u003eCoverage\u003c\/th\u003e\n    \u003cth style=\"text-align:left; padding:10px 14px;\"\u003eHome\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\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003eLifetime\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\u003eMoving Parts\u003c\/strong\u003e\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:#fff;\"\u003e\n    \u003ctd style=\"padding:9px 14px; border-bottom:1px solid #e8ecf0;\"\u003e\u003cstrong\u003eUpholstery \u0026amp; Attachments\u003c\/strong\u003e\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\u003cdiv style=\"background:#fffdf5; border:1px solid #DBBB3C; border-radius:6px; padding:14px 18px; margin:0 0 24px 0; font-size:14px; line-height:1.7; color:#444;\"\u003e\n  United States purchases, original purchaser only. Force USA does not list this stack upgrade on its commercial-grade product list — use in a commercial setting voids this home warranty. Repair or replacement is limited to the warranted part; freight is the customer's responsibility. Contact G\u0026amp;G Fitness Equipment if you need help confirming coverage for your installation.\n\u003c\/div\u003e\n\n\u003cp style=\"font-size:12px; color:#555; margin:0 0 8px 0; line-height:1.6;\"\u003e\n  \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.\n\u003c\/p\u003e\n\n\u003cspan style=\"display:none;\" aria-hidden=\"true\" data-gg-gen=\"2.4\" data-gg-date=\"2026-09-11\"\u003e\u003c\/span\u003e","brand":"Force USA","offers":[{"title":"Default Title","offer_id":47158887546982,"sku":"F-WS-UPGRADE-50LBS-SET","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0013\/1471\/7798\/files\/force-usa_ws-upgrade_set-of-two.jpg?v=1789150317","url":"https:\/\/ggfitness.com\/products\/force-usa-50-lb-weight-stack-upgrade-set-of-2","provider":"G\u0026G Fitness Equipment","version":"1.0","type":"link"}