{"product_id":"ar-pro-80-100-12-dirt-bike-inner-tubes-2-pack-tr4-straight-valve-heavy-duty-thick-rubber-for-2-75-3-00-12-tires","title":"AR-PRO 80\/100-12 Dirt Bike Inner Tubes (2-Pack) TR4 Straight Valve — Heavy-Duty, Thick Rubber for 2.75\/3.00-12 Tires","description":"\u003cp\u003e\u003cstrong\u003eThese AR-PRO 80\/100-12 inner tubes (2-pack) are heavy-duty replacement tubes with TR4 straight valves designed to fit 12\" dirt bike rims with 2.75–3.00\" tires.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you need dependable spare inner tubes for trail days, practice laps, or commuting on small-displacement motorcycles, choosing the correct size and valve type matters. AR-PRO's 80\/100-12 tubes are made from thick natural rubber, include TR4 straight valve stems, and are supplied as a two-pack so you have a ready replacement for common 12\" rear wheels found on 70–125cc bikes.\u003c\/p\u003e\n\n\u003ch3\u003eWill these inner tubes fit my 12\" dirt bike tire?\u003c\/h3\u003e\n\u003cp\u003eYes — the AR-PRO 80\/100-12 tubes are sized to work with tires labeled 2.75-12 or 3.00-12, which makes them compatible with most 12\" rims used on small dirt and pit bikes. Check your tire sidewall and existing tube size to confirm a match before installing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits tire sizes: 2.75-12 and 3.00-12 (marked 80\/100-12)\u003c\/li\u003e\n  \u003cli\u003eDesigned for 12-inch rims commonly found on 70–125cc bikes\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-pack for front\/back or spare coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the TR4 valve perform on trail and street use?\u003c\/h3\u003e\n\u003cp\u003eThe straight TR4 valve stem is a standard, serviceable valve type for small motorcycle wheels and works easily with common valve caps, pumps, and compressors. It provides reliable airflow control and is straightforward to replace or service if damaged.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTR4 straight valve for standard pump compatibility\u003c\/li\u003e\n  \u003cli\u003eEasy to access for inflation and pressure checks\u003c\/li\u003e\n  \u003cli\u003eCompatible with typical valve caps and core tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these inner tubes durable enough for off-road riding?\u003c\/h3\u003e\n\u003cp\u003eAR-PRO engineers these tubes from thicker natural rubber to increase puncture resistance and cushion impacts, which helps reduce vibration and the risk of pinch flats when riding over rocks, roots, and rough terrain. They also have self-sealing properties that can slow air loss from small punctures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThick natural rubber for improved puncture resistance\u003c\/li\u003e\n  \u003cli\u003eSelf-sealing action around minor punctures to retain air\u003c\/li\u003e\n  \u003cli\u003eGood shock absorption for smoother rides on uneven surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat bikes and models are these inner tubes compatible with?\u003c\/h3\u003e\n\u003cp\u003eThese tubes are specified for a wide range of small motocross and pit bikes, covering many common 70cc–125cc rear wheels. They work with models from major and entry-level brands, making them a versatile spare for riders with different machines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Honda CRF70F and XR70 (rear)\u003c\/li\u003e\n  \u003cli\u003eCompatible with Yamaha TTR90 and PW80 (rear)\u003c\/li\u003e\n  \u003cli\u003eAlso fits Baja, TaoTao, Kawasaki KLX110, Coolster, and similar pit bikes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eInstallation tips: avoid sharp tools when fitting the tube, partially inflate before seating the tire to prevent twists, and verify the tire bead is evenly seated around the rim. These steps reduce the chance of pinching or uneven seating that can cause failures.\u003c\/p\u003e\n\n\u003cp\u003eWho is this for? Riders and mechanics who maintain small-displacement dirt bikes, pit bikes, and youth motocross machines will appreciate having a reliable 2-pack of correctly sized inner tubes. Whether you’re stocking spares for practice, preparing a service kit for a rental fleet, or replacing a worn tube on a weekend trail rig, these AR-PRO tubes offer a practical, heavy-duty option that fits many 12\" setups.\u003c\/p\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: Can I use these tubes for both front and rear wheels?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit most 12\" tires sized 2.75–3.00, so they can be used front or rear if the tire size and valve location match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these tubes come with valve cores installed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the TR4 valves are fitted ready for inflation; you can service or replace the valve core with standard tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AR-PRO","offers":[{"title":"Default Title","offer_id":67591326040249,"sku":"B0DM8YVJ2Z","price":67.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ar-pro-front-packaging-2pack_eca23302-3cd3-4870-8403-517c5045bc6d.jpg?v=1790547571","url":"https:\/\/redleafauto.ca\/products\/ar-pro-80-100-12-dirt-bike-inner-tubes-2-pack-tr4-straight-valve-heavy-duty-thick-rubber-for-2-75-3-00-12-tires","provider":"Redleaf Auto","version":"1.0","type":"link"}