{"product_id":"rippin-moto-performance-duty-rear-motorcycle-inner-tube-18-2mm-natural-rubber-tr4-valve","title":"Rippin Moto Performance Duty Rear Motorcycle Inner Tube 18\" — 2mm Natural Rubber, TR4 Valve","description":"\u003cstrong\u003eA 2mm-thick, 100% natural rubber rear motorcycle inner tube built for off-road riders who want improved puncture resistance and responsive handling.\u003c\/strong\u003e\n\nThe Rippin Moto Performance Duty inner tube is made from pure natural rubber and sized for 18\" rear dirt-bike wheels. It balances elasticity and strength to better absorb impacts than many thin OEM tubes while keeping rotational weight moderate. A factory-installed TR4 valve, cap, lock nut and conical washer simplify installation, making this tube a straightforward upgrade for motocross, enduro, pit bikes and modern electric dirt bikes.\n\n\u003ch3\u003eHow does this tube improve durability without adding heavy rotating mass?\u003c\/h3\u003e\n\u003cp\u003eThe Performance Duty tube uses a 2mm wall thickness chosen to resist common off-road punctures and pinch flats while avoiding the inertia penalties of ultra-thick tubes. Natural rubber's inherent flexibility helps it deform around obstacles and recover quickly, reducing shock transmission and stress concentrations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2mm thickness for added cut and pinch resistance compared with typical OEM tubes\u003c\/li\u003e\n  \u003cli\u003e100% natural rubber for superior elasticity and impact absorption\u003c\/li\u003e\n  \u003cli\u003eDesigned to limit added rotational weight, preserving acceleration and handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my bike and the tire sizes riders commonly use?\u003c\/h3\u003e\n\u003cp\u003eThis inner tube fits a range of 18\" rear tire dimensions used on off-road motorcycles. It was sized to be compatible with common cross and enduro tire profiles so you can replace worn factory tubes without altering ride geometry.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible sizes: 3.00-18, 3.25-18, 80\/90-18, 90\/80-18, 90\/90-18, 90\/100-18\u003c\/li\u003e\n  \u003cli\u003eIntended for rear-wheel applications on motocross, enduro, pit bikes and e-motos\u003c\/li\u003e\n  \u003cli\u003eFactory-installed TR4 valve for correct stem length and fit on 18\" wheels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the valve assembly reliable for rough off-road use?\u003c\/h3\u003e\n\u003cp\u003eThe tube ships with a reinforced TR4 valve stem plus a cap, lock nut and conical washer to secure the valve and reduce leaks from vibration. That hardware helps maintain air retention under demanding riding conditions and simplifies mounting through standard rim holes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTR4 valve stem designed for off-road wheel rims and routine inflation\u003c\/li\u003e\n  \u003cli\u003eIncludes valve cap, lock nut and conical washer for a sealed fit\u003c\/li\u003e\n  \u003cli\u003eFactory installation reduces the chance of improper valve seating during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this compare to heavier \"heavy duty\" tubes?\u003c\/h3\u003e\n\u003cp\u003eRippin Moto's Performance Duty is a middle ground: thicker and more protective than thin OEM tubes, but lighter and more responsive than 3mm heavy-duty variants. Riders who want better everyday durability without a noticeably heavier feel typically choose Performance Duty.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePerformance Duty = 2mm wall for balanced protection and agility\u003c\/li\u003e\n  \u003cli\u003eHeavy Duty option = 3mm wall for maximum puncture resistance and rugged terrain use\u003c\/li\u003e\n  \u003cli\u003eChoose based on terrain severity and tolerance for added rotational mass\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for?\n\nThis tube is targeted at off-road riders who push their bikes in challenging terrain but still value nimble handling—motocross and enduro racers, weekend trail riders, pit bike users and electric dirt-bike owners who need a tube that copes with higher torque and added vehicle weight. If you want a dependable replacement that upgrades durability over thin factory tubes without the weight penalty of ultra-thick designs, the Rippin Moto Performance Duty 3.00\/3.25-18 inner tube is a practical choice. Note: designed strictly for off-road use; consult your service guide for professional installation recommendations.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What tire sizes does this inner tube fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 3.00-18, 3.25-18, 80\/90-18, 90\/80-18, 90\/90-18 and 90\/100-18 rear tires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this tube suitable for electric dirt bikes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It's designed to handle the torque and added weight common to modern e-moto platforms.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Rippin Moto","offers":[{"title":"Default Title","offer_id":48084403060894,"sku":"B0D487G4YL","price":33.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/rippin-moto-front-packaging-inner-tube.jpg?v=1785854032","url":"https:\/\/northtrailauto.ca\/products\/rippin-moto-performance-duty-rear-motorcycle-inner-tube-18-2mm-natural-rubber-tr4-valve","provider":"North Trail Auto","version":"1.0","type":"link"}