{"product_id":"qituex-ridenow-tpu-inner-tubes-700c-32-47c-2-pack-65mm-metal-presta-valves-repair-kit","title":"QITUEX Ridenow TPU Inner Tubes 700C 32-47C 2-Pack — 65mm Metal Presta Valves, Repair Kit","description":"\u003cp\u003e\u003cstrong\u003eThese are two lightweight, TPU inner tubes for 700C gravel wheels, sized 32–47C, fitted with 65mm metal Presta valves with removable brass cores and including a repair patch kit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you ride gravel or mixed-surface bikes and need a reliable spare or replacement tube, the QITUEX Ridenow TPU pair brings a balance of low weight, puncture resistance, and serviceable valves. Built from thermoplastic polyurethane elastomer, each tube is engineered to be lighter than traditional butyl tubes while maintaining strong tear and temperature resistance for everyday use and racing scenarios.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these tubes stand up to punctures and rough terrain?\u003c\/h3\u003e\n\u003cp\u003eTPU material is tougher and more abrasion-resistant than standard butyl rubber, so these tubes resist small cuts and repeated flexing better. They aren't puncture-proof but will often survive harsher conditions and offer longer life between replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThermoplastic polyurethane construction for improved abrasion and cut resistance\u003c\/li\u003e\n  \u003cli\u003eStable performance across a wide temperature range\u003c\/li\u003e\n  \u003cli\u003eIncludes repair patch kit for quick field fixes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre the metal Presta valves serviceable and compatible with my rims?\u003c\/h3\u003e\n\u003cp\u003eThe tubes use a high-strength aluminum alloy valve with a removable brass core, making them lighter than full-brass valves yet easy to maintain. The detachable core works with threaded valve extenders and standard Presta pumps, and the 65mm stem suits deeper rims.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaceable valve core for cleaning or swapping in the field\u003c\/li\u003e\n  \u003cli\u003e65mm valve length fits medium to deep-section rims\u003c\/li\u003e\n  \u003cli\u003eBetter air retention and corrosion resistance than many standard valves\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sizes and inflation guidance should I follow?\u003c\/h3\u003e\n\u003cp\u003eEach tube accommodates tire widths from 32C up to 47C, making them versatile across gravel, cyclocross, and many commuter tires. To avoid damaging the TPU, inflate gradually: start with a low pressure to seat the tube inside the tire and perform a cautious bare-tube test only up to the recommended low PSI.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 700C tires sized 32–47C (one tube per tire, sold in a 2-pack)\u003c\/li\u003e\n  \u003cli\u003eInitial seating inflation: ~0.5 PSI, do not exceed 5 PSI for bare-tube testing\u003c\/li\u003e\n  \u003cli\u003eFollow rim and tire manufacturer riding pressures after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I maintain and repair these tubes on the road?\u003c\/h3\u003e\n\u003cp\u003eThe removable valve core simplifies topping up or swapping tubes without fully deflating, and the included patch kit lets you handle most small punctures during a ride. Routine checks—making sure the tube isn't pinched and the rim bed is clean—will extend service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemovable core lets you use a tubeless pump or add sealant if needed\u003c\/li\u003e\n  \u003cli\u003eRepair patch kit for field repairs to small punctures\u003c\/li\u003e\n  \u003cli\u003eInspect rim strip and bead seating before final inflation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Cyclists who want a lightweight, durable spare for gravel rides, mixed-terrain commutes, or racing will appreciate this QITUEX 2-pack. It's particularly useful for riders using deeper rims who need a longer Presta valve, those who prefer TPU benefits over butyl, and anyone who values a repair kit and a serviceable valve for easier roadside maintenance.\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: Will these tubes fit my 700C x 40 gravel tires?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They cover 700C sizes from 32C to 47C, so 40C tires fall well within the supported range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I replace the valve core myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Presta valve has a detachable brass core for easy replacement or cleaning using common valve tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"QITUEX","offers":[{"title":"Default Title","offer_id":48086489333918,"sku":"B0FBL91ZDR","price":45.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/qituex-front-packaging.jpg?v=1785899336","url":"https:\/\/northtrailauto.ca\/products\/qituex-ridenow-tpu-inner-tubes-700c-32-47c-2-pack-65mm-metal-presta-valves-repair-kit","provider":"North Trail Auto","version":"1.0","type":"link"}