{"product_id":"ar-pro-2-75-3-00-21-replacement-inner-tube-with-tr4-straight-valve-2-pack-for-21-inch-motorcycle-tires-heavy-duty-rubber","title":"AR-PRO 2.75\/3.00-21 Replacement Inner Tube with TR4 Straight Valve – 2-Pack for 21-Inch Motorcycle Tires | Heavy-Duty Rubber","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eAR-PRO 21-inch inner tube is designed as a replacement for motorcycles that run 21 inch tires. Made from thick premium rubber, it blends stiffness with flexibility to help the wheel spin smoothly and maintain steady tire pressure.\u003c\/p\u003e\u003ch3\u003eCompatibility and fit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFits 2.75\/3.00-21 front wheels as well as 90\/80-21, 90\/90-21, and 100\/80-21 sizes.\u003c\/li\u003e\n\u003cli\u003eIncludes TR4 straight valve stem for straightforward inflation access.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDurability and performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThick butyl rubber helps absorb minor vibrations and road irregularities, delivering a steadier ride feel between speeds.\u003c\/li\u003e\n\u003cli\u003eWhen punctured, the inner tube forms an airtight seal to help protect the wheel and rim from damage while you manage the next steps.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEase of installation\u003c\/h3\u003e\u003cp\u003eDesigned for quick swaps without special tools. In most cases, the inner tube can be replaced in under five minutes with standard hand tools and careful mounting.\u003c\/p\u003e\u003ch3\u003eWhat you receive\u003c\/h3\u003e\u003cp\u003eThis is a 2-pack, offering two replacement tubes so you can refresh both front tires or keep a spare on hand for faster maintenance.\u003c\/p\u003e\u003ch3\u003eWhy choose AR-PRO\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eQuality materials that emphasize durability and dependable performance across seasons.\u003c\/li\u003e\n\u003cli\u003eThoroughly tested fit against common 21-inch motorcycle tire sizes to minimize guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which tire sizes does this AR-PRO inner tube fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 2.75\/3.00-21 front and sizes 90\/80-21, 90\/90-21, 100\/80-21.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is installation tool-free or does it require special tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No special tools are required; most riders complete the swap in under five minutes with basic hand tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AR-PRO","offers":[{"title":"Default Title","offer_id":42465635205205,"sku":"B07J1P4FM5","price":45.12,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ar-pro-21-inch-inner-tube-tr4-straight-valve-2-pack_jpg.jpg?v=1778015623","url":"https:\/\/plentytorque.co.uk\/products\/ar-pro-2-75-3-00-21-replacement-inner-tube-with-tr4-straight-valve-2-pack-for-21-inch-motorcycle-tires-heavy-duty-rubber","provider":"PlentyTorque","version":"1.0","type":"link"}