{"product_id":"2-pack-motorcycle-inner-tubes-21-inch-heavy-duty-with-straight-valve-fits-80-100-21-tires","title":"2 Pack Motorcycle Inner Tubes 21 Inch Heavy Duty with Straight Valve - Fits 80\/100-21 Tires","description":"\u003cstyle\u003e\u003c!--\nimg{max-width:100%}\n--\u003e\u003c\/style\u003e\n\u003cmeta charset=\"utf-8\"\u003e\u003cmeta http-equiv=\"X-UA-Compatible\" content=\"IE=edge\"\u003e\u003cmeta name=\"viewport\" content=\"width=device-width,initial-scale=1,user-scalable=no\"\u003e\u003clink href=\"https:\/\/maxcdn.bootstrapcdn.com\/bootstrap\/3.3.7\/css\/bootstrap.min.css\" rel=\"stylesheet\"\u003e\n\u003cstyle type=\"text\/css\"\u003e\u003c!--\n#brdr{background:#fff}.description{color: #111 !important;font-size: 14px !important;}.total_body{background:#fff;border:3px solid #ccc;display:block;margin:0 auto;overflow:hidden;width:950px;color:#111;border-radius: 15px;}.descriptions,.tabs{width:100%;display:block;overflow:hidden}.descriptions{font-family:Arial;font-weight:400;margin-top:25px}.title{background-color: #fff !important; color: #058CD3 !important; font-size: 35px !important; font-weight: 700 !important; padding-bottom: 20px; padding-top: 20px; text-align: center !important;}.tabs span{padding:0 33px}.footerss{font-size:xx-large}.images,.images img{max-width:100%}.description li{padding-bottom: 10px;}.title h1{font-weight: bold !important;}.tabs{line-height: 25px;}#delivery_right \u003e img{width: 100%;}button.accordion{background-color: #058CD3; border: medium none; color: #fff; cursor: pointer; font-size: 26px; font-weight: bold; outline: medium none; padding: 3px 21px; text-align: center; transition: all 0.4s ease 0s; width: 100%;}.panel{box-shadow: none; margin-bottom: 0;}ul li{padding-bottom: 5px;}ul{padding-top: 15px;}button.accordion.active, button.accordion1:hover{background-color: #ddd;color:#058CD3;}div.panel{padding: 0 18px;background-color: white;overflow: hidden;transition: max-height 0.2s ease-out;}@media only screen and (max-width:767px){.total_body{width:320px}.tabs span{font-size:14px;line-height:20px;padding:5px 2px}.title{font-size:19px;margin:0}.footerss{font-size:15px}}\n--\u003e\u003c\/style\u003e\n\u003cdiv class=\"total_body\"\u003e\n\u003cdiv class=\"col-lg-12 title\" id=\"brdr\"\u003e\u003cdiv class=\"_chunkWrapper_yu34g_39\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan data-start=\"77\" data-end=\"94\" style=\"text-align: left;\"\u003e\u003cspan data-start=\"77\" data-end=\"94\" style=\"\"\u003e\u003cspan data-start=\"77\" data-end=\"94\" style=\"\"\u003e\u003cspan style=\"text-align: center;\"\u003e\u003cfont color=\"#000000\"\u003e2 Pack 21in Motorcycle Inner Tube 80 100-21 TR4 Straight Valve Heavy Duty\u003c\/font\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cspan data-start=\"77\" data-end=\"94\" style=\"text-align: left;\"\u003e\u003cspan data-start=\"77\" data-end=\"94\" style=\"\"\u003e\u003cspan data-start=\"77\" data-end=\"94\" style=\"\"\u003e\u003cfont size=\"5\" style=\"color: rgb(17, 17, 17); font-family: Arial; font-size: 14px; font-weight: bold;\"\u003e\u003ci\u003eKey Features:\u003c\/i\u003e\u003c\/font\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-12 descriptions\"\u003e\n\u003cul data-start=\"97\" data-end=\"597\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePrecise Size Fitment\u003c\/strong\u003e – Designed for 2.75\/3.00-21\" tires, cross-compatible with 80\/100-21 (300\/325-21) sizing\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTR4 Straight Valve Stem\u003c\/strong\u003e – Standard valve type for easy inflation and compatibility with common air chucks\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHeavy-Duty Thick Rubber\u003c\/strong\u003e – Premium construction offers enhanced durability and puncture resistance\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003e2-Pack Value Set\u003c\/strong\u003e – Provides a spare tube on hand, reducing downtime for future replacements\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eReliable Air Retention\u003c\/strong\u003e – Quality rubber material designed to maintain consistent tire pressure\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eMotorcycle-Specific Design\u003c\/strong\u003e – Built to handle the demands of motorcycle riding conditions\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e – Standard tube design compatible with typical motorcycle tire service procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003cb\u003e\u003cfont size=\"5\"\u003e\u003ci\u003eDescription:\u003c\/i\u003e\u003c\/font\u003e\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003e2.75\/3.00-21\" Motorcycle Inner Tube – TR4 Valve, Heavy Duty Rubber, 2-Pack\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eKeep your motorcycle ready to ride with this heavy-duty replacement inner tube set, designed to fit 2.75\/3.00-21\" tires (cross-referenced as 80\/100-21 or 300\/325-21 sizing). Built from thick, premium rubber, these tubes are engineered to offer enhanced durability and reliable air retention for demanding riding conditions.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eEach tube features a TR4 straight valve stem, a standard valve type that ensures easy inflation and broad compatibility with common air chucks and pressure gauges. This 2-pack set provides the convenience of having a spare tube ready to go, helping minimize downtime in the event of a puncture or replacement need.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003eWhether you're maintaining your primary tire or keeping a spare on hand for unexpected repairs, this heavy-duty inner tube offers a dependable solution for 21-inch motorcycle tire setups.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eWhy Choose This Inner Tube Set?\u003c\/strong\u003e\u003cbr\u003e\n✔ Precise fit for 2.75\/3.00-21\" (80\/100-21, 300\/325-21) tires\u003cbr\u003e\n✔ TR4 straight valve stem for easy inflation\u003cbr\u003e\n✔ Heavy-duty, thick premium rubber construction\u003cbr\u003e\n✔ 2-pack provides a convenient spare\u003cbr\u003e\n✔ Reliable air retention and durability\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003cbr\u003e\nMotorcycles using 21-inch tires requiring replacement or spare inner tubes for maintenance, repairs, or off-road\/on-road riding preparedness.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e\u003cbr\u003e\nEnsure correct tube sizing matches your exact tire dimensions before installation, and use proper tire tools to avoid pinching the tube during installation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003cbr\u003e\n2 x Motorcycle Inner Tubes (2.75\/3.00-21\", TR4 Valve Stem)\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch4 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e✅ Compliance Notes:\u003c\/h4\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNo brand name used — fully generic listing, zero VeRO risk\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e✅ Straightforward parts category — precise size\/valve type listed clearly in title and description, which is critical for reducing fitment-related returns in tire\/tube listings\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e✅ Consider adding compatible motorcycle types\/models (dirt bike, dual-sport, etc.) in Item Specifics if known, without referencing specific manufacturer brand names, to help with search relevance while staying VeRO-safe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cfont color=\"#2a633a\"\u003e\u003cbutton class=\"accordion\"\u003eShipping\u003c\/button\u003e\n\u003c\/font\u003e\u003cdiv class=\"panel\" style=\"max-height: 478px;\"\u003e\n\u003cdiv class=\"col-xs-12 col-sm-9 col-md-9 col-lg-9\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cfont color=\"#2a633a\"\u003eWe offer FREE shipping on all orders!\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont color=\"#2a633a\"\u003eWe ship within Three business days of payment, usually sooner.\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-3 col-md-3 col-lg-3\"\u003e\n\u003cdiv id=\"delivery_right\"\u003e\u003cfont color=\"#2a633a\"\u003e\u003cbr\u003e \u003cimg src=\"https:\/\/res.cloudinary.com\/hmdenahha\/image\/upload\/v1486463259\/shipping_zpsehr4l7lo_vs2j70.jpg\" alt=\"\"\u003e\u003c\/font\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel\"\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cfont color=\"#2a633a\"\u003e\u003cbutton class=\"accordion\"\u003ePayment\u003c\/button\u003e\n\u003c\/font\u003e\u003cdiv class=\"panel\"\u003e\n\u003cdiv class=\"col-xs-12 col-sm-9 col-md-9 col-lg-9\"\u003e\n\u003cp\u003e\u003cspan style=\"margin: 0px; padding: 0px; border: 0px; outline: 0px; font-family: Tahoma; font-weight: bold;\"\u003e\u003cspan style=\"font-size: large; margin: 0px; padding: 0px; border: 0px; outline: 0px; text-decoration-line: underline;\"\u003e\u003cfont color=\"#7f160e\"\u003ePLEASE NOTE:\u003c\/font\u003e\u003c\/span\u003e\u003cfont size=\"4\" style=\"\"\u003e\u003cfont color=\"#000000\"\u003e \u003c\/font\u003e\u003cfont color=\"#3e6938\"\u003eWhere possible items are sent from our stock but we also sell via other supply channels.\u003c\/font\u003e\u003c\/font\u003e\u003c\/span\u003e\u003cfont size=\"4\"\u003e\u003cspan style=\"margin: 0px; padding: 0px; border: 0px; outline: 0px; font-family: Tahoma;\"\u003e\u003cfont color=\"#3e6938\"\u003e In this case, orders will be fulfilled by our fulfilment centres or 3rd party suppliers at our discretion.  Therefore, on occasions our products may come with a third party logo on the packaging. By placing an order you are agreeing that your delivery information may be shared with our supplier to fulfil your order. It will not be shared in any other way, your details are 100% secure.\u003c\/font\u003e\u003c\/span\u003e\u003cspan style=\"margin: 0px; padding: 0px; border: 0px; outline: 0px; color: rgb(0, 0, 0); font-family: Tahoma;\"\u003e \u003c\/span\u003e\u003cspan style=\"margin: 0px; padding: 0px; border: 0px; outline: 0px; text-decoration-line: underline; font-family: Tahoma; font-weight: bold;\"\u003e\u003cfont color=\"#7f160e\"\u003eIf you are not happy with this then please do not buy.\u003c\/font\u003e\u003c\/span\u003e\u003c\/font\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cfont color=\"#2a633a\"\u003eWe accept payment by any of the following methods:\u003cbr\u003e\u003cb\u003ePayPal\u003c\/b\u003e\u003cbr\u003ePlease pay as soon as possible after winning an auction, as that will allow us to post your item to you sooner!\u003c\/font\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-3 col-md-3 col-lg-3\"\u003e\n\u003cdiv id=\"delivery_right\" style=\"text-align: center;\"\u003e\u003cfont color=\"#2a633a\"\u003e\u003cimg style=\"width: 80%; text-align: center;\" src=\"https:\/\/res.cloudinary.com\/hmdenahha\/image\/upload\/v1486462923\/new-paypal-logo_kevpez.jpg\" alt=\"\"\u003e\u003c\/font\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfont color=\"#2a633a\"\u003e\u003cbutton class=\"accordion\"\u003eFeedback\u003c\/button\u003e\n\u003c\/font\u003e\u003cdiv class=\"panel\"\u003e\n\u003cdiv class=\"col-xs-12 col-sm-9 col-md-9 col-lg-9\"\u003e\n\u003cp\u003e\u003cfont color=\"#2a633a\"\u003eCustomer satisfaction is very important to us. \u003cbr\u003eIf you have any problem with your order, please contact us and we will do our best to make you satisfied.\u003c\/font\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-3 col-md-3 col-lg-3\"\u003e\n\u003cdiv id=\"delivery_right\"\u003e\u003cfont color=\"#2a633a\"\u003e\u003cbr\u003e \u003cbr\u003e \u003cimg src=\"https:\/\/res.cloudinary.com\/hmdenahha\/image\/upload\/v1486462924\/5-stars_dybxdt.jpg\" alt=\"\"\u003e\u003c\/font\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfont color=\"#2a633a\"\u003e\u003cbutton class=\"accordion\"\u003eContact Us\u003c\/button\u003e\n\u003c\/font\u003e\u003cdiv class=\"panel\"\u003e\n\u003cdiv class=\"col-xs-12 col-sm-9 col-md-9 col-lg-9\"\u003e\n\u003cfont color=\"#2a633a\"\u003e\u003cbr\u003e\n\u003c\/font\u003e\u003cp\u003e\u003cfont color=\"#2a633a\" face=\"Georgia\" size=\"3\"\u003eusually, the parcel will be delivered in 5-7 days. Sometimes the order will be delayed more than 10 days due to some technical problems. If you have not received your order within 10 days, contact the seller. We will reply to the buyer within 24-48 hours.\u003c\/font\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cfont face=\"Georgia\"\u003e\u003cspan style=\"font-weight: 700;\"\u003e\u003cfont color=\"#7f160e\"\u003e\u003cfont size=\"4\"\u003eNote\u003c\/font\u003e\u003cfont size=\"3\"\u003e:\u003c\/font\u003e\u003c\/font\u003e\u003c\/span\u003e\u003cfont color=\"#2a633a\" style=\"font-size: medium;\"\u003e \u003cspan style=\"font-weight: 700;\"\u003ePlease contact the seller before opening the request.\u003c\/span\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/p\u003e\n\u003cfont color=\"#2a633a\"\u003e\u003cbr\u003e\u003c\/font\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-xs-12 col-sm-3 col-md-3 col-lg-3\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"description\" style=\"text-align: center;\"\u003e\u003ca style=\"font-family: Arial; font-weight: bold; font-size: 20px;\" target=\"_blank\"\u003e\u003cfont color=\"#2a633a\"\u003ePlease visit our eBay store to check out other items for sale!\u003c\/font\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-12 title\" id=\"brdr\"\u003e\n\u003cp\u003e\u003cspan class=\"footerss\"\u003e\u003cfont color=\"#2a633a\"\u003eThank you for shopping at our store.\u003c\/font\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":51445184659623,"sku":"398234451570","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/0339\/2167\/files\/s-l1600_342e54e6-aae5-4840-98ac-f28a26d19e40.jpg?v=1790790313","url":"https:\/\/craftecker.com\/products\/2-pack-motorcycle-inner-tubes-21-inch-heavy-duty-with-straight-valve-fits-80-100-21-tires","provider":"CrafTecker","version":"1.0","type":"link"}