{"product_id":"coomeng-ridenow-tpu-inner-tubes-4-pack-700x18-32c-with-metal-presta-valves-45-65-85mm-lightweight-removable-cores-patch-kit","title":"CooMeng RideNow TPU Inner Tubes 4-Pack 700x18-32C with Metal Presta Valves (45\/65\/85mm) — Lightweight, Removable Cores, Patch Kit","description":"\u003cp\u003e\u003cstrong\u003eCooMeng RideNow TPU inner tubes are ultra-light, metal-valved replacement tubes engineered for road and gravel bikes, sold here as a 4-pack with removable valve cores and a patch repair kit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese RideNow tubes use thermoplastic polyurethane (TPU) for a balance of low weight and puncture resistance, upgraded with metal Presta valves and removable cores for easier maintenance. Available in two size ranges (700x18-32C and 700x32-47C) and three valve lengths (45mm, 65mm, 85mm), this 4-pack gives riders spare tubes that fit most modern rims, plus a small patch kit for emergency roadside repairs.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes these RideNow TPU inner tubes different from standard butyl tubes?\u003c\/h3\u003e\n\n\u003cp\u003eTPU material is lighter and more flexible than conventional butyl rubber, which means a small savings in rotational weight and a slightly quicker ride feel. CooMeng improves reliability by fitting metal Presta valve stems and removable valve cores, reducing the common plastics-related leaks while keeping overall tube weight low.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLighter construction: reduced weight per tube versus butyl alternatives.\u003c\/li\u003e\n  \u003cli\u003eMetal Presta valves: better airtightness and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eRemovable valve cores: easier inflation and compatibility with inflator adapters.\u003c\/li\u003e\n  \u003cli\u003eAvailable in two size ranges: covers wide range of road and gravel tires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do valve length and removable cores help in real rides?\u003c\/h3\u003e\n\n\u003cp\u003eValve length options (45mm, 65mm, 85mm) let you match the valve to deep-section or standard rims for hassle-free pumping. The removable valve core means you can replace a damaged core or use a threaded inflator\/nozzle, and it also simplifies adding sealant if desired.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e45mm, 65mm, 85mm valves: choose by rim depth for easy pump access.\u003c\/li\u003e\n  \u003cli\u003eReplaceable cores: fast field fixes without changing the whole tube.\u003c\/li\u003e\n  \u003cli\u003eThreaded compatibility: works with CO2 adapters and pump extenders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these tubes durable enough for everyday riding and mixed surfaces?\u003c\/h3\u003e\n\n\u003cp\u003eRideNow TPU tubes are designed for stability and puncture resistance in both road and gravel conditions, performing well at typical road pressures and lower pressure gravel setups. While still lighter than butyl, they maintain reliable air retention thanks to their metal valves and quality construction, making them suitable as primary tubes or performance spares.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eGood puncture resistance: engineered TPU compound for resilience.\u003c\/li\u003e\n  \u003cli\u003eStable at common tire pressures: suitable for both high-pressure road and lower-pressure gravel use.\u003c\/li\u003e\n  \u003cli\u003ePack of four: convenient for multi-ride gearing or squad support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sizes should I pick for my bike and how do I choose valve length?\u003c\/h3\u003e\n\n\u003cp\u003eChoose 700x18-32C for classic road tire widths (18–32 mm) and 700x32-47C for wider gravel and mixed-terrain tires (32–47 mm). For valve length, measure from rim bed to valve hole top—select 45mm for shallow rims, 65mm for mid-depth, and 85mm for deep-section rims or if you use rim tape\/covering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e700x18-32C: fits 700x18, 23, 25, 28, 32 mm road tires.\u003c\/li\u003e\n  \u003cli\u003e700x32-47C: fits 700x32, 35, 37, 40, 47 mm gravel tires.\u003c\/li\u003e\n  \u003cli\u003eValve length rule: rim depth + access clearance determines 45\/65\/85 mm choice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Riders who want a lightweight, serviceable spare tube for road or gravel bikes—including club racers, sportive riders, gravel explorers, and mechanics who appreciate removable cores and metal Presta valves. The 4-pack with patch kit is ideal for cyclists who like carrying spares for multi-ride outings, group support, or workshops that need reliable, low-mass replacement tubes compatible with most modern rims.\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 deep-section rims?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—choose the 65mm or 85mm Presta valve option depending on rim depth for proper pump access.\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 RideNow TPU tubes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the removable valve cores allow adding sealant, 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":59361462026588,"sku":"B0D5LTJGP1","price":78.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5604\/9244\/files\/coomeng-ridenow-front-packaging_01a54eaf-67e4-462c-a091-7d9644184d29.jpg?v=1791208333","url":"https:\/\/sportium.co.uk\/products\/coomeng-ridenow-tpu-inner-tubes-4-pack-700x18-32c-with-metal-presta-valves-45-65-85mm-lightweight-removable-cores-patch-kit","provider":"Sportium Sports And Outdoors","version":"1.0","type":"link"}