{"product_id":"continental-tpu-presta-valve-inner-tube-40mm-clear-700x25-35-2025-road-gravel-mtb","title":"Continental TPU Presta Valve Inner Tube 40mm Clear 700x25-35 2025 Road Gravel MTB","description":"\u003cp\u003eExperience the perfect combination of lightweight design and exceptional durability with the Continental TPU Presta 40mm Valve 2025 inner tube. Crafted from seven layers of premium thermoplastic polyurethane (TPU), this tube offers superior airtightness and resilience, making it ideal for performance-driven cyclists on road, gravel, or mountain bikes. Its clear, uncoloured construction not only ensures the highest material quality but also prevents air retention problems often caused by surface imperfections from dyes. The tube's innovative valve design features a slightly conical base for a secure fit to the rim and an internally threaded valve to accommodate valve extensions or replacement cores effortlessly.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for riders who demand reliability and efficiency, the Continental TPU tube is lightweight yet robust, providing excellent resistance to punctures and wear. Its seven-layer construction enhances durability without adding unnecessary bulk, ensuring you maintain speed and control on varied terrains. The tube is carefully quality-checked to meet Continental’s high standards, guaranteeing consistent performance every time you ride.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It’s Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProviding a lightweight and durable inner tube for road, gravel, and MTB use\u003c\/li\u003e\n  \u003cli\u003eMaximizing airtightness thanks to its seven-layer TPU construction\u003c\/li\u003e\n  \u003cli\u003eOffering a secure fit with its conical valve base that reduces unwanted valve movement\u003c\/li\u003e\n  \u003cli\u003eAllowing valve customization and maintenance with its internally threaded valve\u003c\/li\u003e\n  \u003cli\u003eEnsuring high material quality through uncoloured TPU to avoid air retention issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It’s NOT Good For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with rim brakes, as excessive heat can cause sudden air loss\u003c\/li\u003e\n  \u003cli\u003eMounting without suitable rim tape, which can lead to tube damage\u003c\/li\u003e\n  \u003cli\u003eOver-inflation above 0.3 bar during tube installation\u003c\/li\u003e\n  \u003cli\u003eFitting into rims with valve holes that are too large, risking valve twisting or breakage\u003c\/li\u003e\n  \u003cli\u003eRe-using the tube with smaller tires, which is not recommended for safety and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan this TPU tube be used with rim brakes?\u003c\/strong\u003e\u003cbr\u003eNo, TPU tubes should never be used with rim brakes due to the risk of heat exposure causing a sudden loss of air pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I handle the tube during mounting?\u003c\/strong\u003e\u003cbr\u003eEnsure the tube isn’t inflated beyond 0.3 bar during mounting and never trap, twist, or damage the tube or valve. Use appropriate rim tape to protect the tube.\u003c\/p\u003e","brand":"Continental","offers":[{"title":"700 X 25-35 \/ Clear","offer_id":46104738627759,"sku":"TUC182711","price":28.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/2003\/4223\/files\/TUC182711_66861.jpg?v=1768533901","url":"https:\/\/www.swinnertoncycles.co.uk\/products\/continental-tpu-presta-valve-inner-tube-40mm-clear-700x25-35-2025-road-gravel-mtb","provider":"Swinnerton Cycles","version":"1.0","type":"link"}