{"product_id":"strength-shop-adjustable-dumbbell-extension-kits","title":"Strength Shop Adjustable Dumbbell Extension Kits","description":"\u003cp\u003e\u003cstrong\u003eIncrease the Weight. Keep the System.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Strength Shop Extension Kits allow you to upgrade your existing Adjustable Dumbbells to a higher weight range — without replacing the handles or starting from scratch.\u003c\/p\u003e\n\u003cp\u003eEach kit includes precisely the components required to reach the next configuration. The adjustment mechanism, balance, and feel remain exactly the same: only the maximum capacity increases.\u003c\/p\u003e\n\u003cp\u003eAll kits are fully compatible with the Strength Shop Adjustable Dumbbell system.\u003c\/p\u003e\n\u003ch3\u003eUpgrade Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 kg to 36 kg\u003c\/strong\u003e – Increases a 20 kg dumbbell pair set up to a 36 kg set (Contents: 16 × 2 kg plates)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 kg to 49 kg\u003c\/strong\u003e – Increases a 20 kg dumbbell pair set up to a 49 kg set (Contents: 28 × 2 kg plates, 2 × pair of long bolts 1.5 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36 kg to 65 kg\u003c\/strong\u003e – Increases a 36 kg dumbbell pair set up to a 65 kg set (Contents: 28 × 2 kg plates, 2 × pair of long bolts 1.5 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 kg to 65 kg\u003c\/strong\u003e – Increases a 20 kg dumbbell pair set up to a 65 kg set (Contents: 44 × 2 kg plates, 2 × pair of long bolts 1.5 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Upgrade Instead of Replace?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExpand progressively as your strength increases\u003c\/li\u003e\n\u003cli\u003eKeep your original handles and hardware\u003c\/li\u003e\n\u003cli\u003eMaintain identical handling and balance\u003c\/li\u003e\n\u003cli\u003eSave space and cost compared to buying a second set\u003c\/li\u003e\n\u003cli\u003eThe system is built to grow with you\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do I need to buy a completely new dumbbell set to increase the weight?\u003c\/strong\u003e\u003cbr\u003eNo. The extension kits are designed specifically to upgrade your existing Adjustable Dumbbells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I upgrade in stages?\u003c\/strong\u003e\u003cbr\u003eYes. For example, you can move from 20 kg to 36 kg first and later expand further.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Are the plates identical to the original ones?\u003c\/strong\u003e\u003cbr\u003eYes. The extension plates match the original plates in material, dimensions, and finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do the kits include handles?\u003c\/strong\u003e\u003cbr\u003eNo. The extension kits include only the listed weight plates required for the upgrade.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the weight range for the different bolt configurations?\u003c\/strong\u003e\u003cbr\u003eThe dumbbells can use two bolt configurations depending on the total weight:\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eStandard bolt (1 kg):\u003c\/strong\u003e adjustable from 4 kg up to 36 kg\u003cbr\u003e\u003cstrong\u003eExtended bolt (1.5 kg):\u003c\/strong\u003e adjustable from 39 kg up to 65 kg\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Strength Shop","offers":[{"title":"36kg to 65kg","offer_id":56857969787145,"sku":"ADJ-DB-36KG-65KG-KIT","price":487.05,"currency_code":"EUR","in_stock":true},{"title":"20kg to 36kg","offer_id":56857969688841,"sku":"ADJ-DB-20KG-36KG-KIT","price":222.68,"currency_code":"EUR","in_stock":false},{"title":"20kg to 49kg","offer_id":56857969721609,"sku":"ADJ-DB-20KG-49KG-KIT","price":487.05,"currency_code":"EUR","in_stock":true},{"title":"20kg to 65kg","offer_id":56857969754377,"sku":"ADJ-DB-20KG-65KG-KIT","price":710.74,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/6113\/1956\/files\/SHOP_adjustable-dumb-bell-pair-homegym-curls-equipment_04.jpg?v=1772650707","url":"https:\/\/strengthshop.eu\/en-es\/products\/strength-shop-adjustable-dumbbell-extension-kits","provider":"Strength Shop","version":"1.0","type":"link"}