{"product_id":"spring-loaded-chest-expander-with-adjustable-resistance-bars-for-strength-building","title":"Spring-Loaded Chest Expander with Adjustable Resistance Bars for Strength Building Support","description":"\u003ch3\u003eMore Resistance When You Need It, Adjustable Twister Arm Trainer for Upper Body\u003c\/h3\u003e\n\u003cp\u003eYour chest and arms plateau no matter how often you train. The same resistance stops challenging you, and every session starts feeling like a waste. Push harder on chest days, shoulder sets, and arm work without switching gyms.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/8266\/8103\/files\/image_5_652c58d7-800d-4614-9e5b-eb85a0125233.jpg?v=1773168073\" alt=\"\" width=\"399\" height=\"399\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eA heavier or lighter spring bar sets your resistance before each session. Hold the foam-wrapped handles and press outward or pull through your full range of motion against the spring tension. The stainless-steel frame holds its shape through each rep, keeping the movement smooth and consistent from start to finish.\u003c\/p\u003e\n\u003cp\u003eIt runs from 30 to 120 lbs across the interchangeable spring bars, covering beginner toning all the way to serious strength work. The stainless-steel frame help resists bending and holds its form through heavy daily use without losing structural integrity. Foam-wrapped handles cushion your grip and stay firm so your hands stay comfortable through longer sets.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/8266\/8103\/files\/image_4_093c678f-8054-451e-94cd-8dc2df97f5df.jpg?v=1773168073\" alt=\"\" width=\"405\" height=\"405\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eThis trainer packs up fast and travels with you to any room, office, or hotel without taking up space. No batteries or cables needed, just grab it and go whenever you're ready to train. A setup guide walks you through correct form and resistance adjustments from day one.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPRING BAR RESISTANCE SYSTEM:\u003c\/strong\u003e Swap bars instantly to move between 30 and 120 lbs of resistance with no tools.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTAINLESS STEEL FRAME BUILD:\u003c\/strong\u003e Rigid steel structure holds shape through daily heavy use without bending or wearing down.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFOAM HANDLE GRIP COMFORT:\u003c\/strong\u003e Padded handles absorb pressure on your palms so longer sets stay comfortable and controlled.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPPER BODY MUSCLE COVERAGE:\u003c\/strong\u003e Targets chest, shoulders, arms, and back with one compact device for full upper-body training.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 TO 120 LB RANGE:\u003c\/strong\u003e Wide resistance spread works for light toning sessions and serious strength-building routines equally well.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePORTABLE AT 5.4 LBS:\u003c\/strong\u003e Lightweight enough to carry to any room, pack in a bag, or store in a drawer.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBATTERY FREE OPERATION:\u003c\/strong\u003e No power source needed, just pick it up and start your set anywhere, anytime.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQUICK WIPE CARE:\u003c\/strong\u003e Smooth steel and foam surfaces clean up fast with a dry or slightly damp cloth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/8266\/8103\/files\/image_9_8843b333-c683-44a2-aeba-867de7d19e55.jpg?v=1773168074\" alt=\"\" width=\"409\" height=\"409\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Adjustable Twister Arm Trainer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Material:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Material:\u003c\/strong\u003e Foam-Wrapped Grip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.4 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance Range:\u003c\/strong\u003e 30 to 120 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring System:\u003c\/strong\u003e Interchangeable Spring Bars\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e Manual, No Batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Home, Office, Travel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Muscles:\u003c\/strong\u003e Chest, Shoulders, Arms, Back\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCare:\u003c\/strong\u003e Wipe Clean, Dry or Damp Cloth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Twister Arm Trainer Frame\u003c\/li\u003e\n\u003cli\u003e1 x Set of Interchangeable Spring Bars (3 Pieces)\u003c\/li\u003e\n\u003cli\u003e1 x Setup and Training Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I change the resistance level?\u003c\/strong\u003e\u003cbr\u003eSimply swap out the spring bar before your session to move up or down in resistance. No tools are needed and the swap takes only a few seconds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs 120 lbs of resistance suitable for beginners?\u003c\/strong\u003e\u003cbr\u003eThe range starts at 30 lbs, which is manageable for beginners working on toning. You can gradually work up through the resistance levels as your strength builds over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the handles stay comfortable during longer sessions?\u003c\/strong\u003e\u003cbr\u003eThe foam-wrapped handles are designed to cushion your palms and help reduce pressure buildup, so grip comfort holds through extended sets without causing irritation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I travel with this trainer?\u003c\/strong\u003e\u003cbr\u003eAt 5.4 lbs with a compact frame, it fits easily into a bag and requires no power source, making it a straightforward option for hotel rooms, offices, or any space away from home.\u003c\/p\u003e","brand":"Zyre","offers":[{"title":"Blue","offer_id":53492259553607,"sku":"SLC44112","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Gray","offer_id":53492259586375,"sku":"SLC44113","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":53492259619143,"sku":"SLC44114","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":53492259651911,"sku":"SLC44115","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/8266\/8103\/files\/image_4_093c678f-8054-451e-94cd-8dc2df97f5df.jpg?v=1773168073","url":"https:\/\/zyrestore.com\/products\/spring-loaded-chest-expander-with-adjustable-resistance-bars-for-strength-building","provider":"Zyre","version":"1.0","type":"link"}