{"product_id":"coomeng-ridenow-tpu-inner-tube-700x18-32c-85mm-metal-valve-2-pack-with-patch-kit","title":"CooMeng RideNow TPU Inner Tube, 700 x 18-32C, 85mm Metal Presta Valve, 2-Pack with Patch Kit for Deep Rims","description":"\u003cp\u003e\u003cstrong\u003eThese CooMeng RideNow TPU inner tubes are ultra-light, metal-valved replacements for 700C road and gravel tires, sold as a 2-pack and including a patch kit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned to pair low weight with improved air retention, the RideNow TPU tubes bring metal Presta valves and removable cores to the advantages of TPU construction. Available in two diameter ranges (700x18-32C and 700x32-47C) and three valve lengths (45mm, 65mm, 85mm), they suit a wide variety of rims and tire profiles. Each pack contains two tubes and a small patch repair kit for roadside fixes.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these tubes improve air tightness compared to standard TPU tubes?\u003c\/h3\u003e\n\n\u003cp\u003eRideNow upgrades the usual plastic valve stem with a metal Presta valve to reduce leaks at the stem interface and resist corrosion over time. The metal valves hold pressure more consistently, and removable cores make it simple to tighten, replace, or install pump adapters.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMetal Presta stems for stronger stem-to-rim sealing\u003c\/li\u003e\n  \u003cli\u003eRemovable valve cores for maintenance and threaded adapters\u003c\/li\u003e\n  \u003cli\u003eLightweight construction that keeps total tube weight low\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich size should I choose for my bike and tire width?\u003c\/h3\u003e\n\n\u003cp\u003ePick the 700x18-32C tube for narrow road tires from 18C up to 32C, and the 700x32-47C tube for wider gravel or mixed-terrain tires from 32C up to 47C. The tube ranges overlap at 32C so you can select based on rim clearance, desired pressure, or riding style.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e700x18-32C: recommended for 18C, 23C, 25C, 28C, 32C road tires\u003c\/li\u003e\n  \u003cli\u003e700x32-47C: recommended for 32C, 35C, 37C, 40C, 47C gravel tires\u003c\/li\u003e\n  \u003cli\u003eOverlap at 32C allows choice for road or gravel setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat valve length should I pick and why does removable core matter?\u003c\/h3\u003e\n\n\u003cp\u003eValve length equals compatibility: 45mm suits shallow rims, 65mm fits most mid-depth rims, and 85mm works with deep or tubeless-ready rims. A removable core lets you replace a damaged core, install sealant-friendly adapters, or use a threaded pump head more easily.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e45mm for low-profile rims and easier storage\u003c\/li\u003e\n  \u003cli\u003e65mm for most modern rim depths and common setups\u003c\/li\u003e\n  \u003cli\u003e85mm for deep-section rims or when using valve extenders\u003c\/li\u003e\n  \u003cli\u003eRemovable core for maintenance, adapters, and cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these tubes behave on the road and off-road?\u003c\/h3\u003e\n\n\u003cp\u003eTPU offers a combination of puncture resistance, elasticity, and low rolling resistance compared with many standard butyl tubes. RideNow tubes maintain performance at varied pressures useful for fast road riding or lower-pressure gravel runs, while the metal valve improves reliability in changing conditions.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStable inflation for sustained rides and mixed surfaces\u003c\/li\u003e\n  \u003cli\u003ePuncture-resistant TPU material more durable than basic butyl in many scenarios\u003c\/li\u003e\n  \u003cli\u003eLow weight preserved—36g or 45g depending on size\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Cyclists who want lightweight, reliable replacement inner tubes for both road and gravel bikes—riders who value easy maintenance (removable cores), stronger valve stems, and multiple valve-length choices to match different rims. The bundle suits racers, commuters, and gravel riders who want spare tubes that are compact, moderately puncture-resistant, and ready for quick roadside service with an included patch kit.\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: Are these tubes tubeless-compatible?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: These TPU inner tubes are designed as standard inner tubes, not tubeless; they can be used with tubeless-ready rims if you run them as tubes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use sealant with the removable valve core?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the removable core allows adding sealant or installing threaded adapters, but follow sealant manufacturer guidance for TPU compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CooMeng","offers":[{"title":"Default Title","offer_id":48197832442017,"sku":"B0D5LTVTM1","price":83.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/coomeng-ridenow-front-packaging_3d0e638b-2756-4e48-a1ae-4557962d3e46.jpg?v=1792761176","url":"https:\/\/canadiansporting.ca\/products\/coomeng-ridenow-tpu-inner-tube-700x18-32c-85mm-metal-valve-2-pack-with-patch-kit","provider":"Canadian Sporting","version":"1.0","type":"link"}