{"product_id":"js4311-aluminum-silicone-wheel-set-43-x-11mm-pair","title":"JS4311 Aluminum - Silicone Wheel Set (43 x 11mm - Pair)","description":"\u003cstyle\u003e\n    .product-copy{line-height:1.7;color:#222}\n    .product-copy \u003e * + *{margin-top:1rem}\n    .product-copy h2{margin:1.4em 0 .6em;font-size:1.5rem;line-height:1.3}\n    .product-copy h3{margin:1.1em 0 .45em;font-size:1.1rem;line-height:1.35}\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 #e8e8e8;padding:.7em .8em;text-align:left;vertical-align:top}\n    .product-copy table th{background:#fafafa}\n    .product-copy .note{background:#f7fbf8;border:1px solid #dfeee3;border-radius:12px;padding:1rem}\n    .faq-list{margin:1.2rem 0 1.4rem}\n    .faq{border:1px solid #e6e6e6;border-radius:12px;padding:.8rem 1rem;margin:.7rem 0;background:#fafafa}\n    .faq summary{cursor:pointer;font-weight:600}\n    .small{font-size:.96rem;color:#555}\n  \u003c\/style\u003e\n\u003cdiv class=\"product-copy\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eJSumo JS4311 Aluminum Silicone Wheel Set\u003c\/strong\u003e is a slim, high-grip wheel pair made for compact robots that need a bigger wheel diameter without too much width. With a machined aluminum hub and soft silicone tire, this wheel set is a great fit for \u003ca href=\"\/search?q=mini+sumo\"\u003emini sumo robots\u003c\/a\u003e, \u003ca href=\"\/search?q=line+follower\"\u003eline follower robots\u003c\/a\u003e, and other lightweight robot builds that need clean grip and smooth rolling.\u003c\/p\u003e\n\u003cp\u003eJSumo describes this as one of its thinnest wheel options for mini sumo and line follower use. That makes it a smart choice for robots where space is tight, weight matters, and you still want good traction on the floor.\u003c\/p\u003e\n\u003ch2\u003eWhy builders choose this wheel set\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThin wheel profile:\u003c\/strong\u003e Easier to fit into compact robot builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge diameter for its width:\u003c\/strong\u003e Good balance of clearance, speed feel, and slim size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh traction silicone:\u003c\/strong\u003e Soft tire helps improve grip on smooth surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachined aluminum hub:\u003c\/strong\u003e Stronger and more stable than basic plastic wheel hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure shaft fit:\u003c\/strong\u003e M4 tapped setscrew helps hold the wheel firmly in place.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat you can build\u003c\/h2\u003e\n\u003cp\u003eThis wheel set is ideal for \u003ca href=\"\/search?q=mini+sumo+robot\"\u003emini sumo robot\u003c\/a\u003e builds, line follower robots, and other light drive platforms where a narrow wheel helps with chassis layout and turning response.\u003c\/p\u003e\n\u003cp\u003eIt also works well for custom robot projects, student competition builds, and prototype platforms that need a slim but grippy wheel with a clean mechanical fit.\u003c\/p\u003e\n\u003ch2\u003eStarter bundles\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/jsumo\"\u003eBrowse JSumo robot parts\u003c\/a\u003e for matching wheels, motors, chassis parts, and accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?q=line+follower+robot\"\u003eLine follower robot parts\u003c\/a\u003e for sensors, controllers, and drive parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?q=mini+sumo+robot+parts\"\u003eMini sumo robot parts\u003c\/a\u003e for competition-ready builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended add-ons\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?q=dc+gear+motor\"\u003eDC gear motors\u003c\/a\u003e for compact robot drive systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?q=motor+bracket\"\u003eMotor brackets\u003c\/a\u003e for easier mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?q=robot+chassis\"\u003eRobot chassis parts\u003c\/a\u003e for new builds and upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?q=hex+wrench\"\u003eHex tools\u003c\/a\u003e for quick setup and adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct name\u003c\/th\u003e\n\u003ctd\u003eJS4311 Aluminum - Silicone Wheel Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eJS4311\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct code\u003c\/th\u003e\n\u003ctd\u003eJS15479\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWheel diameter\u003c\/th\u003e\n\u003ctd\u003e43 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall width\u003c\/th\u003e\n\u003ctd\u003e11 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilicone width\u003c\/th\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e17.7 g each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilicone hardness\u003c\/th\u003e\n\u003ctd\u003e20 Shore A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter hole diameter\u003c\/th\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft locking\u003c\/th\u003e\n\u003ctd\u003eM4 tapped setscrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuggested use\u003c\/th\u003e\n\u003ctd\u003eMini sumo robots, line follower robots, lighter robot builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFitment \u0026amp; shaft notes\u003c\/h2\u003e\n\u003cdiv class=\"note\"\u003e\n\u003cp\u003eThis version uses a \u003cstrong\u003e3 mm center hole\u003c\/strong\u003e and an \u003cstrong\u003eM4 tapped setscrew\u003c\/strong\u003e to secure the wheel to the motor shaft. Please check your shaft diameter before ordering to make sure the fit is correct.\u003c\/p\u003e\n\u003cp class=\"small\"\u003eBecause this is a thin wheel design, it is especially useful where chassis space is limited or where you want a slimmer contact profile.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat’s in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2 x wheels\u003c\/li\u003e\n\u003cli\u003e2 x M4 setscrews\u003c\/li\u003e\n\u003cli\u003e1 x Allen wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdiv class=\"faq-list\"\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eIs this sold as a pair?\u003c\/summary\u003e\n\u003cp\u003eYes. This product includes two wheels in one set.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eWhat shaft size does it fit?\u003c\/summary\u003e\n\u003cp\u003eThis version has a 3 mm center hole, so it is made for compatible 3 mm shaft setups.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eWhat robots is this best for?\u003c\/summary\u003e\n\u003cp\u003eIt is best for mini sumo robots, line follower robots, and other light robot builds that need a thin but grippy wheel.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eIs the tire soft or hard?\u003c\/summary\u003e\n\u003cp\u003eThe silicone tire is rated at 20 Shore A, which helps provide strong grip.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq\"\u003e\n\u003csummary\u003eDoes it include the hardware?\u003c\/summary\u003e\n\u003cp\u003eYes. The set includes two wheels, two M4 setscrews, and one Allen wrench.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cp class=\"small\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"circuitrocks","offers":[{"title":"Default Title","offer_id":52480105054497,"sku":"JS15479","price":1628.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/1491\/5617\/files\/jsumo-wheel-43x11mm-pair-soft-silicone-3714-20-B.jpg?v=1774339166","url":"https:\/\/circuit.rocks\/products\/js4311-aluminum-silicone-wheel-set-43-x-11mm-pair","provider":"circuitrocks","version":"1.0","type":"link"}