{"product_id":"bwshlf-26-inch-mtb-inner-tubes-4-pack-26-x-1-75-2-3-35mm-schrader-high-butyl-puncture-resistant","title":"BWSHLF 26 Inch MTB Inner Tubes 4-Pack — 26 x 1.75–2.3, 35mm Schrader, High-Butyl Puncture-Resistant","description":"\u003cp\u003e\u003cstrong\u003eBWSHLF 26 Inch Bike Tubes (4 Pack) are vulcanized replacement inner tubes designed for 26\" MTB tires 1.75–2.3, fitted with 35mm Schrader valves for straightforward inflation and reliable air retention.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese inner tubes are built from a high-butyl rubber compound and thicker sidewalls to improve puncture resistance and maintain pressure longer than standard natural rubber alternatives. Packaged as a set of four, each tube undergoes round curing and quality inspections, and they come ready to be installed inside compatible 26\" mountain bike tires.\u003c\/p\u003e\n\n\u003ch3\u003eWill these tubes fit my 26\" mountain bike tire?\u003c\/h3\u003e\n\n\u003cp\u003eYes—these tubes are sized specifically for 26\" wheels with tire widths between 1.75 and 2.3 inches. Confirm your rim diameter and tire width before purchase to ensure compatibility.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCompatible rim diameter: 26 inches\u003c\/li\u003e\n  \u003cli\u003eTire width range: 1.75\"–2.3\" (check sidewall markings)\u003c\/li\u003e\n  \u003cli\u003eValve type included: 35mm Schrader standard for most MTB rims\u003c\/li\u003e\n  \u003cli\u003eSold as a 4-pack for spares or multi-bike households\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable are these tubes compared with typical inner tubes?\u003c\/h3\u003e\n\n\u003cp\u003eBWSHLF tubes use a high-butyl rubber blend and a thicker sidewall to boost puncture resistance and air retention compared with many standard tubes. The increased wall thickness and vulcanized construction aim to reduce blowouts and keep the tube round under pressure.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e60% high-butyl rubber compound for improved airtightness\u003c\/li\u003e\n  \u003cli\u003eSidewall thickness about 1.1–1.2 mm—thicker than typical 0.8–0.95 mm tubes\u003c\/li\u003e\n  \u003cli\u003eVulcanized, round-cured manufacturing for consistent shape and strength\u003c\/li\u003e\n  \u003cli\u003eEach tube inspected and tested for inflation and burst resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and pump compatibility?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation follows standard inner-tube procedures: place the deflated tube inside the tire bead before inflating so the outer tire protects the tube. The 35mm Schrader valve fits standard bike pumps and most auto-style pumps without an adapter.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eInstall deflated tube inside tire before inflation to prevent pinching\u003c\/li\u003e\n  \u003cli\u003eSchrader 35mm valve works with common bicycle and car pumps\u003c\/li\u003e\n  \u003cli\u003eTrim valve length only if necessary to fit tubeless-style rims—use proper tools\u003c\/li\u003e\n  \u003cli\u003eComes as a compact carton with four tubes for easy storage and spares\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDo these tubes receive quality control and testing?\u003c\/h3\u003e\n\n\u003cp\u003eEach BWSHLF tube is subject to 100% inspection during production and is round-cured to ensure uniform shape and reliable performance. Production testing includes inflation and burst checks to reduce the chance of early failure in service.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRound curing for consistent shape and fit\u003c\/li\u003e\n  \u003cli\u003eIndividual visual and air-tightness checks during manufacturing\u003c\/li\u003e\n  \u003cli\u003eInflation and explosion-resistance tests before packaging\u003c\/li\u003e\n  \u003cli\u003ePackaged in a protective carton to prevent damage in storage or transit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? Cyclists who ride 26\" mountain bikes and want dependable, thicker-walled replacement tubes in bulk will find value in this 4-pack. These tubes suit casual riders, commuting cyclists, MTB enthusiasts who prefer Schrader valves, and households with multiple bikes that share the same 26\" wheel size. If you need extra puncture resilience, straightforward pump compatibility, and spares ready for quick swaps, these BWSHLF inner tubes are an economical choice. Always match tube size and valve type to your rim and tire before installing.\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 compatible with Presta valves?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes 35mm Schrader valve tubes. For Presta valves, choose the 48mm Presta model instead.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I trim the Schrader valve length?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can shorten the valve only if necessary for your rim. Use proper tools and avoid damaging the valve stem.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BWSHLF","offers":[{"title":"Default Title","offer_id":59349564784988,"sku":"B08P74WVSK","price":51.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1059\/5604\/9244\/files\/bwshlf-front-package-26-inch-4pack.jpg?v=1791099920","url":"https:\/\/sportium.co.uk\/products\/bwshlf-26-inch-mtb-inner-tubes-4-pack-26-x-1-75-2-3-35mm-schrader-high-butyl-puncture-resistant","provider":"Sportium Sports And Outdoors","version":"1.0","type":"link"}