{"product_id":"ar-pro-motorcycle-inner-tubes-100-90-19-4-10x19-2-pack-3mm-butyl-tr4-valve-heavy-duty-pinch-resistant","title":"AR-PRO Motorcycle Inner Tubes 100\/90-19 (4.10x19) 2-Pack — 3mm Butyl, TR4 Valve, Heavy-Duty Pinch-Resistant","description":"\u003cp\u003e\u003cstrong\u003eAR-PRO 100\/90-19 inner tubes are heavy-duty 3mm butyl rubber tubes sold in a 2-pack, built with TR4 valve stems and reinforced construction for off-road and dirt bike tires.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese inner tubes are engineered for riders who need durable, reliable replacements that stand up to off-road stress. Sized for 100\/90-19 (4.10 x 19) tires, the tubes use thicker-than-average butyl rubber to improve puncture resistance, vibration damping, and airtight retention. Supplied in a two-pack, they’re intended as direct-fit inner tubes for common motocross and off-road wheel setups and come with TR4 valve stems that fit standard pumps and compressors.\u003c\/p\u003e\n\n\u003ch3\u003eHow durable are these inner tubes on rocky or uneven trails?\u003c\/h3\u003e\n\u003cp\u003eThe tubes use 3mm butyl rubber—on the thicker side for motorcycle inner tubes—so they better resist pinching, tearing, and abrasive wear compared with thin consumer tubes. Their even molding and reinforced valve base reduce stress points that commonly cause splits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3mm butyl rubber for improved puncture and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003ePinch-resistant design reduces pinch-flats from sharp impacts\u003c\/li\u003e\n  \u003cli\u003eReinforced valve area prevents twisting and splitting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the TR4 valve stems work with my pump and bike setup?\u003c\/h3\u003e\n\u003cp\u003eTR4 valve stems are a standard short, straight, threaded type commonly used on motorcycle inner tubes; they’re compatible with most hand pumps, floor pumps, and air compressors with standard fittings. The stems are vulcanized into the tube for secure seating and leak resistance during normal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard TR4 threaded valve fits common pump heads and adapters\u003c\/li\u003e\n  \u003cli\u003eVulcanized valve base for secure, airtight mounting\u003c\/li\u003e\n  \u003cli\u003eShort, straight stem works well with most wheel rim profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these tubes improve ride comfort and handling?\u003c\/h3\u003e\n\u003cp\u003eThicker butyl rubber dampens vibrations and absorbs more road shock than thinner tubes, which can translate into a smoother feel over rutted and uneven surfaces. Better airtight retention also helps maintain consistent pressure for predictable handling over longer rides.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3mm thickness increases vibration damping for a smoother ride\u003c\/li\u003e\n  \u003cli\u003eSuperior air retention keeps tire pressure stable between checks\u003c\/li\u003e\n  \u003cli\u003eSturdier construction supports consistent handling under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these inner tubes the right fit for my motorcycle tire size?\u003c\/h3\u003e\n\u003cp\u003eThese inner tubes are specified for 100\/90-19 tires, commonly listed as 4.10 x 19; they’re intended as direct replacements for rims and tires in that size range. Always check your tire sidewall and rim specifications to confirm compatibility before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSized specifically for 100\/90-19 (4.10 x 19) motorcycle tires\u003c\/li\u003e\n  \u003cli\u003eSold in a 2-pack—two tubes per order for front and rear swaps\u003c\/li\u003e\n  \u003cli\u003eDesigned for off-road, motocross, and dirt bike applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders who regularly tackle off-road trails, motocross tracks, or rough terrain and need dependable, cost-effective inner tube replacements. If you prioritize puncture resistance, stable air retention, and a TR4 valve compatible with standard pumps, these AR-PRO 100\/90-19 3mm butyl tubes are built to be a robust backup or daily replacement for typical dirt bike and off-road motorcycle use.\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: Do these tubes fit 4.10 x 19 tires?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. 100\/90-19 corresponds to 4.10 x 19; these tubes are sized to fit that tire dimension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the TR4 valves compatible with common pumps?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. TR4 is a standard threaded valve stem compatible with most hand pumps and common pump adapters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AR-PRO","offers":[{"title":"Default Title","offer_id":67588672979129,"sku":"B09TSZLDKT","price":96.33,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ar-pro-front-packaging-100-90-19.jpg?v=1790522420","url":"https:\/\/redleafauto.ca\/products\/ar-pro-motorcycle-inner-tubes-100-90-19-4-10x19-2-pack-3mm-butyl-tr4-valve-heavy-duty-pinch-resistant","provider":"Redleaf Auto","version":"1.0","type":"link"}