{"product_id":"gyro-ball","title":"Zontoo Gyro Forearm Challenge","description":"\u003cp\u003e\u003cstrong\u003eWhat stage can you hold?\u003c\/strong\u003e Push it on, circle your wrist, and watch the light climb through five stages as the rotor speeds up. The faster it spins, the harder it pulls. The light keeps score.\u003c\/p\u003e\n\u003ch4\u003eWhat you get\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSelf-starting gyro ball with a metal rotor core\u003c\/li\u003e\n\u003cli\u003eFive-stage LED: the color changes as speed climbs (maker rating: about 2,000 to 10,000 RPM)\u003c\/li\u003e\n\u003cli\u003eWrist strap and storage box\u003c\/li\u003e\n\u003cli\u003eFree 30-Day Forearm Challenge: printable plan and log sheet (\u003ca href=\"\/pages\/forearm-challenge\"\u003eopen it here\u003c\/a\u003e). The download link also comes with your order confirmation email\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhy lifters use it\u003c\/h4\u003e\n\u003cp\u003eIf your grip gives out before your back does on heavy pulls, this is five minutes of forearm and wrist work you can do anywhere. Use it on rest days or as a finisher after pull day.\u003c\/p\u003e\n\u003ch4\u003eThe 30-day challenge\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eWeek 1: 3 rounds x 30 s each hand. Reach Stage 2.\u003c\/li\u003e\n\u003cli\u003eWeek 2: 3 rounds x 45 s. Hold Stage 3 for a full round.\u003c\/li\u003e\n\u003cli\u003eWeek 3: 4 rounds x 60 s. Touch Stage 4.\u003c\/li\u003e\n\u003cli\u003eWeek 4: 4 rounds x 60 s + one max round. Stay in Stage 4 or higher.\u003c\/li\u003e\n\u003cli\u003eDay 30 test: how long can you hold Stage 5?\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eSpec\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eAbout 2.8 in wide, 2.2 in tall (7 x 5.5 cm). Fits one hand\u003c\/li\u003e\n\u003cli\u003eAbout 2.8 in (7 cm) across\u003c\/li\u003e\n\u003cli\u003eSelf-starting: push the rotor with both thumbs, no cord to pull\u003c\/li\u003e\n\u003cli\u003eFive-stage LED\u003c\/li\u003e\n\u003cli\u003eMetal rotor core\u003c\/li\u003e\n\u003cli\u003eWrist strap and storage box included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eHow it's used\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eLoop the strap around your wrist.\u003c\/li\u003e\n\u003cli\u003ePush the rotor with both thumbs in the arrow direction. It starts on its own.\u003c\/li\u003e\n\u003cli\u003eCircle the wrist to keep it spinning. Faster means a harder pull.\u003c\/li\u003e\n\u003cli\u003eHold until the forearm gives out. Switch hands.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eBuddy 2-Pack\u003c\/h4\u003e\n\u003cp\u003eTwo balls for $79, $19 less than buying two. Race a training partner to Stage 5.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFree US shipping\u003c\/strong\u003e · Tracked · Estimated delivery: 2–4 weeks · 30-day photo claims (damaged, faulty or wrong item), no return shipping · 1-year replacement\u003c\/p\u003e","brand":"Zontoo","offers":[{"title":"Single","offer_id":49403044561140,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true},{"title":"Buddy 2-Pack — Save $19","offer_id":67629713490164,"sku":null,"price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/1889\/5860\/files\/zontoo-gyro-ball-dark-1.jpg?v=1790695238","url":"https:\/\/zontoo.com\/products\/gyro-ball","provider":"Zontoo","version":"1.0","type":"link"}