{"product_id":"jsumo-js4030-rubber-wheel-pair","title":"JSumo JS4030 Rubber Wheel Pair","description":"\u003cdiv class=\"product-copy\"\u003e\n \u003cstyle\u003e\n .product-copy{line-height:1.7;color:#1f2937}\n .product-copy \u003e * + *{margin-top:1rem}\n .product-copy h2{margin:1.4em 0 .6em;color:#111827}\n .product-copy h3{margin:1.1em 0 .5em;color:#111827}\n .product-copy p{margin:0 0 1em}\n .product-copy ul,.product-copy ol{margin:0 0 1.2em 1.2em}\n .product-copy li{margin:.35em 0}\n .product-copy table{width:100%;border-collapse:collapse;margin:1.2em 0}\n .product-copy table th,.product-copy table td{border:1px solid #e5e7eb;padding:.7em .8em;text-align:left;vertical-align:top}\n .product-copy table th{background:#f9fafb;width:32%}\n .faq-list{margin:1.2rem 0 1.4rem}\n .faq{border:1px solid #e5e7eb;border-radius:12px;padding:.85rem 1rem;margin:.6rem 0;background:#fafafa}\n .note{background:#f8fafc;border-left:4px solid #2563eb;padding:.85rem 1rem;border-radius:8px}\n \u003c\/style\u003e\n\n\u003ch2\u003eHeavy-Grip Rubber Wheels for Sumo Robot Traction and Power Transfer\u003c\/h2\u003e\n\n \u003cp\u003e\n The \u003cstrong\u003eJSumo JS4030 Rubber Wheel Pair\u003c\/strong\u003e is built for robot makers who need more grip, more contact area, and stronger wheel structure for larger or more aggressive\n robot projects. JSumo presents this model as a high-quality sumo robot wheel used in competition-style builds.\n \u003c\/p\u003e\n\n \u003cp\u003e\n These wheels use \u003cstrong\u003ebeautifully machined aluminum hubs\u003c\/strong\u003e with a \u003cstrong\u003estrong rubber tire\u003c\/strong\u003e that is directly molded to the hub by \u003cstrong\u003evulcanization\u003c\/strong\u003e,\n helping create a stronger and harder wheel assembly for demanding robot use.\n \u003c\/p\u003e\n\n \u003cdiv class=\"note\"\u003e\n\u003cstrong\u003eOriginal JSumo product:\u003c\/strong\u003e We list this item as a distributor, so the product title now starts with JSumo for clearer brand matching.\u003c\/div\u003e\n\n \u003cdiv class=\"note\"\u003e\n \u003cstrong\u003eWhy it matters:\u003c\/strong\u003e When you need better traction and stronger wheel construction for a sumo or combat-style build, larger rubber wheels like the JS4030 can make a major difference.\n \u003c\/div\u003e\n\n \u003ch3\u003eWhy you'll love it\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eStrong traction:\u003c\/strong\u003e Rubber tire is built for powerful robot grip\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVulcanized construction:\u003c\/strong\u003e Helps make the tire-to-hub connection stronger\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompetition oriented:\u003c\/strong\u003e Recommended for sumo robot projects\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLarge contact area:\u003c\/strong\u003e Useful for higher-force pushing robots\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMachined aluminum hub:\u003c\/strong\u003e Better rigidity and wheel stability\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhat you can build\u003c\/h3\u003e\n \u003cp\u003e\n The JS4030 is ideal for sumo robots, combat robots, magnetic robot platforms, and custom drive systems that need more traction and a wider wheel footprint.\n \u003c\/p\u003e\n\n \u003ch3\u003eStarter bundles\u003c\/h3\u003e\n \u003cp\u003e\n Pair it with a \u003ca href=\"\/search?q=gearmotor\"\u003egearmotor\u003c\/a\u003e, motor mounting hardware, a \u003ca href=\"\/search?q=robot+controller\"\u003erobot controller\u003c\/a\u003e,\n and a strong robot chassis for a complete drive setup.\n \u003c\/p\u003e\n\n \u003ch3\u003eRecommended add-ons\u003c\/h3\u003e\n \u003cp\u003e\n Useful add-ons include spare setscrews, mounting screws, robot gears, and high-current motor drivers for more powerful robot builds.\n \u003c\/p\u003e\n\n \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eJSumo Robot Wheel 40x30mm Pair (JS4030)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct Code\u003c\/th\u003e\n\u003ctd\u003eJS15474\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWheel Diameter\u003c\/th\u003e\n\u003ctd\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWheel Width\u003c\/th\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e63 g each\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHardness\u003c\/th\u003e\n\u003ctd\u003e64 Shore A\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCenter Hole Diameter\u003c\/th\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eGear Montage Holes\u003c\/th\u003e\n\u003ctd\u003eM3 tapped\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSetscrew\u003c\/th\u003e\n\u003ctd\u003eYes, M4 tapped\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\n \u003ch3\u003ePinout \u0026amp; usage notes\u003c\/h3\u003e\n \u003cp\u003e\n These wheels are best matched with robots that can take advantage of their wider profile and traction. Make sure your shaft size, mounting pattern,\n and motor torque are compatible with the wheel system you plan to use.\n \u003c\/p\u003e\n\n \u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n \u003cp\u003e2 × JS4030 wheels, 2 × M4 setscrews, 1 × Allen wrench\u003c\/p\u003e\n\n \n\n \u003ch3\u003eCompare with related JSumo wheel options\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eShaft \/ hub fit\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/js2622-silicone-wheel-pair\"\u003eJSumo JS2622 Silicone Wheel Pair\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e26.5 × 22 mm\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003ctd\u003eCompact mini sumo and line follower builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/slt20p-silicone-wheel-pair\"\u003eJSumo SLT20P Silicone Wheel Pair\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e33 × 20 mm\u003c\/td\u003e\n\u003ctd\u003eFits 12\/15\/16 mm gearbox motors\u003c\/td\u003e\n\u003ctd\u003eHeavy-grip mini sumo builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atom-silicone-wheel-37x34mm-pair\"\u003eJSumo Atom Silicone Wheel 37x34mm Pair\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e37 × 34 mm\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003ctd\u003eWide traction for lighter robots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/js4311-aluminum-silicone-wheel-set-43-x-11mm-pair\"\u003eJSumo JS4311 Aluminum - Silicone Wheel Set (43 x 11mm - Pair)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e43 × 11 mm\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003ctd\u003eThin wheel profile for light robots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/js4320-aluminum-silicone-wheel-pair-43mm-x-20mm-pair-4mm-hole\"\u003eJSumo JS4320 Aluminum - Silicone Wheel Pair (43mm x 20mm) Pair (4mm Hole)\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e43 × 20 mm\u003c\/td\u003e\n\u003ctd\u003e4 mm\u003c\/td\u003e\n\u003ctd\u003eNon-magnetic sumo and small combat robots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/js4030-rubber-wheel-pair\"\u003eJSumo JS4030 Rubber Wheel Pair\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e40 × 30 mm\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003ctd\u003eLarger traction wheel for stronger pushing robots\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdiv class=\"faq-list\"\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eAre these for sumo robots?\u003c\/strong\u003e Yes. JSumo describes them as high-quality wheels for sumo robot projects.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eWhat size are they?\u003c\/strong\u003e They are 40 mm in diameter and 30 mm wide.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eWhat is special about the tire?\u003c\/strong\u003e The rubber tire is molded to the aluminum hub by vulcanization for stronger construction.\u003c\/div\u003e\n \u003cdiv class=\"faq\"\u003e\n\u003cstrong\u003eDo they include mounting accessories?\u003c\/strong\u003e Yes. JSumo lists setscrews and an Allen wrench with the wheel pair.\u003c\/div\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e","brand":"JSumo","offers":[{"title":"Default Title","offer_id":52445514563873,"sku":"JS15474","price":1632.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/jsumo-robot-wheel-40x30mm-pair-179-14-B.jpg?v=1773466205","url":"https:\/\/circuit.rocks\/products\/jsumo-js4030-rubber-wheel-pair","provider":"circuitrocks","version":"1.0","type":"link"}