{"product_id":"fingerflex™-spring-powered-portable-hangboard","title":"FingerFlex™ Spring-Powered Portable Hangboard","description":"\u003ch1 data-start=\"190\" data-end=\"257\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003ePre-Order (Delivery June 2026)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp data-start=\"190\" data-end=\"257\"\u003e\u003cstrong\u003eTrain finger strength anywhere — no wall, no weights, no setup.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"190\" data-end=\"257\"\u003e\u003cimg style=\"font-size: 0.875rem;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0941\/1339\/9081\/files\/finger_flex_LAPTOP_7e729a63-c2ca-48bf-94a8-5107ea35698d.jpg?v=1772019600\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"259\" data-end=\"603\"\u003eFingerFlex is a \u003cstrong data-start=\"275\" data-end=\"326\"\u003espring-powered, adjustable-resistance hangboard\u003c\/strong\u003e built for climbers, calisthenics athletes, and anyone serious about grip. Instead of relying on mounting points or added weight, FingerFlex uses \u003cstrong data-start=\"472\" data-end=\"503\"\u003estackable stainless springs\u003c\/strong\u003e to deliver \u003cstrong data-start=\"515\" data-end=\"572\"\u003esmooth, controllable resistance you can actually feel\u003c\/strong\u003e — anywhere you can pick it up.\u003c\/p\u003e\n\u003cp data-start=\"605\" data-end=\"757\"\u003eWhether you’re warming up, rebuilding capacity, or pushing\u003cspan style=\"font-size: 0.875rem;\"\u003estrength, FingerFlex lets you \u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\" data-start=\"698\" data-end=\"745\"\u003edial in load, edge depth, and hand position\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e in seconds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"764\" data-end=\"820\"\u003e\u003cstrong\u003eReal resistance — progressive and finger-friendly\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"821\" data-end=\"1163\"\u003e\u003cimg style=\"font-size: 0.875rem;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0941\/1339\/9081\/files\/finger_flex_FULL_304d48cf-506a-41c7-bdc4-b7cac2fe8faf.jpg?v=1772019621\"\u003eSpring resistance increases as you compress, so you can \u003cstrong data-start=\"877\" data-end=\"934\"\u003eload the fingers isotonically up to your target force\u003c\/strong\u003e, then \u003cstrong data-start=\"941\" data-end=\"963\"\u003ehold isometrically\u003c\/strong\u003e at the point you choose (or make it fully isometric by bracing with your second hand \/ an obstruction). It’s a simple way to mimic the “load → hold” feel of hangboarding without needing a wall setup.\u003c\/p\u003e\n\u003cp data-start=\"1170\" data-end=\"1221\"\u003e\u003cstrong\u003eAdjustable spring resistance (light → heavy)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1222\" data-end=\"1442\"\u003eAt the core is a modular spring system with \u003cstrong data-start=\"1266\" data-end=\"1304\"\u003einterchangeable, stackable springs\u003c\/strong\u003e for precise progression — from very light loads for \u003cstrong data-start=\"1357\" data-end=\"1392\"\u003ewarm-ups and low-intensity work\u003c\/strong\u003e to \u003cstrong data-start=\"1396\" data-end=\"1441\"\u003eserious high-resistance strength training\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1222\" data-end=\"1442\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0941\/1339\/9081\/files\/spring_change_f65c9708-5be3-4d0f-9d89-eb43b267601c.jpg?v=1772020242\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1446\" data-end=\"1512\"\u003e\n\u003cstrong data-start=\"1446\" data-end=\"1471\"\u003eFrom ~2.5 kg \/ 5.5 lb\u003c\/strong\u003e at the low end (intro \/ warm-up loads)\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1512\"\u003e\n\u003cstrong data-start=\"1515\" data-end=\"1540\"\u003eUp to 75 kg \/ 165 lb+\u003c\/strong\u003e total force at the top end (fully loaded)\u003c\/li\u003e\n\u003cli data-start=\"1446\" data-end=\"1512\"\u003eTune resistance by swapping and stacking springs for progressive overload\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1662\" data-end=\"1777\"\u003e\u003cstrong data-start=\"1662\" data-end=\"1675\"\u003eIncluded:\u003c\/strong\u003e 15 stainless springs total — \u003cstrong data-start=\"1705\" data-end=\"1735\"\u003e5 Light, 5 Medium, 5 Heavy\u003c\/strong\u003e (so you can mix, match, and keep spares).\u003c\/p\u003e\n\u003cp data-start=\"1784\" data-end=\"1836\"\u003e\u003cstrong\u003e4 base edges + micro-adjustment in 1 mm steps\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1837\" data-end=\"1937\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0941\/1339\/9081\/files\/springs_sapcer_CLOSE.jpg?v=1772020108\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"1837\" data-end=\"1937\"\u003eFingerFlex isn’t “one edge fits all.” Rotate and flip the board to access \u003cstrong data-start=\"1911\" data-end=\"1936\"\u003efour base edge depths\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1939\" data-end=\"1974\"\u003e\n\u003cli data-start=\"1939\" data-end=\"1974\"\u003e\n\u003cp data-start=\"1941\" data-end=\"1974\"\u003e\u003cstrong data-start=\"1941\" data-end=\"1974\"\u003e10 mm \/ 15 mm \/ 20 mm \/ 25 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1976\" data-end=\"2105\"\u003eThen fine-tune with \u003cstrong data-start=\"1996\" data-end=\"2016\"\u003eMegaGrip spacers\u003c\/strong\u003e in \u003cstrong data-start=\"2020\" data-end=\"2039\"\u003e1 mm increments\u003c\/strong\u003e to match your preferred crimp depth, training phase, and comfort.\u003c\/p\u003e\n\u003cp data-start=\"2112\" data-end=\"2171\"\u003e\u003cstrong\u003eAdjustable height for hand size + stronger positions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0941\/1339\/9081\/files\/finger_flex_ADJUSTABLE_2beb7320-310d-460b-a7e6-55641be05bab.jpg?v=1772020191\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"2172\" data-end=\"2386\"\u003eFingerFlex allows \u003cstrong data-start=\"2190\" data-end=\"2211\"\u003eheight adjustment\u003c\/strong\u003e to suit small or large hands so you can sit into a \u003cstrong data-start=\"2263\" data-end=\"2289\"\u003enatural crimp position\u003c\/strong\u003e with better comfort and control — helping you train hard while staying mindful of finger stress.\u003c\/p\u003e\n\u003cp data-start=\"2393\" data-end=\"2412\"\u003e\u003cstrong\u003eWhy FingerFlex?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0941\/1339\/9081\/files\/finger_flex_COUCH_6a9abc30-2193-4ee8-8d73-c8ec026a01a6.jpg?v=1772019607\"\u003e\u003c\/p\u003e\n\u003cul data-start=\"2413\" data-end=\"2760\"\u003e\n\u003cli data-start=\"2413\" data-end=\"2484\"\u003e\n\u003cp data-start=\"2415\" data-end=\"2484\"\u003e\u003cstrong data-start=\"2415\" data-end=\"2452\"\u003ePortable finger strength training\u003c\/strong\u003e — home, gym, outdoors, travel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2485\" data-end=\"2559\"\u003e\n\u003cp data-start=\"2487\" data-end=\"2559\"\u003e\u003cstrong data-start=\"2487\" data-end=\"2513\"\u003eProgressive resistance\u003c\/strong\u003e without plates, pulleys, or a mounted board\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2560\" data-end=\"2627\"\u003e\n\u003cp data-start=\"2562\" data-end=\"2627\"\u003e\u003cstrong data-start=\"2562\" data-end=\"2584\"\u003eEdge depth variety\u003c\/strong\u003e for endurance, strength, and specificity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2628\" data-end=\"2696\"\u003e\n\u003cp data-start=\"2630\" data-end=\"2696\"\u003e\u003cstrong data-start=\"2630\" data-end=\"2645\"\u003eFine tuning\u003c\/strong\u003e for perfect loading + better repeatable sessions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2697\" data-end=\"2760\"\u003e\n\u003cp data-start=\"2699\" data-end=\"2760\"\u003e\u003cstrong data-start=\"2699\" data-end=\"2714\"\u003eBuilt tough\u003c\/strong\u003e with stainless springs and reinforced housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2767\" data-end=\"2782\"\u003e\u003cstrong\u003ePerfect for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2783\" data-end=\"3056\"\u003e\n\u003cli data-start=\"2783\" data-end=\"2835\"\u003e\n\u003cp data-start=\"2785\" data-end=\"2835\"\u003eWarm-ups before climbing \/ calisthenics sessions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2836\" data-end=\"2884\"\u003e\n\u003cp data-start=\"2838\" data-end=\"2884\"\u003eBuilding foundational finger strength safely\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2885\" data-end=\"2933\"\u003e\n\u003cp data-start=\"2887\" data-end=\"2933\"\u003eControlled strength blocks and max-hold work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2934\" data-end=\"2986\"\u003e\n\u003cp data-start=\"2936\" data-end=\"2986\"\u003eTravel training when a hangboard isn’t an option\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2987\" data-end=\"3056\"\u003e\n\u003cp data-start=\"2989\" data-end=\"3056\"\u003eProgressive return-to-training (keep loads measurable and sensible)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3063\" data-end=\"3082\"\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3083\" data-end=\"3290\"\u003e\n\u003cli data-start=\"3083\" data-end=\"3121\"\u003e\n\u003cp data-start=\"3085\" data-end=\"3121\"\u003eFingerFlex™ board + spring housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3122\" data-end=\"3178\"\u003e\n\u003cp data-start=\"3124\" data-end=\"3178\"\u003e\u003cstrong data-start=\"3124\" data-end=\"3149\"\u003e15 stainless springs:\u003c\/strong\u003e 5 Light, 5 Medium, 5 Heavy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3179\" data-end=\"3234\"\u003e\n\u003cp data-start=\"3181\" data-end=\"3234\"\u003e\u003cstrong data-start=\"3181\" data-end=\"3207\"\u003eMegaGrip micro spacers\u003c\/strong\u003e for 1 mm edge adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3235\" data-end=\"3290\"\u003e\n\u003cp data-start=\"3237\" data-end=\"3290\"\u003e(Add any straps\/carry pouch\/guide here if applicable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3297\" data-end=\"3314\"\u003e\u003cstrong\u003eTraining note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3315\" data-end=\"3469\"\u003eFinger training is intense by nature. Build gradually, warm up properly, and keep progression conservative — especially on small edges or high resistance.\u003c\/p\u003e","brand":"Muscle Mountain","offers":[{"title":"Default Title","offer_id":46625652146307,"sku":null,"price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/6535\/0275\/files\/garden.jpg?v=1772021574","url":"https:\/\/www.musclemountain.us\/products\/fingerflex%e2%84%a2-spring-powered-portable-hangboard","provider":"Muscle Mountain","version":"1.0","type":"link"}