About this item

• Tip: Prior to installing the inner tube, submerge it in water for a thorough examination. If you observe any bubbles, this indicates damage; feel free to reach out to us. Verify the position of the valve to confirm that the installation is oriented correctly. Please be aware that the inflatable inner tube should be protected from sharp objects to prevent punctures.
• HEAVY DUTY- Ultra Durable: Our heavy duty inner tubes have higher puncture resistance than ordinary inner tubes, and the thicker body can withstand more friction and wear, thus extending the service life of the tube, reducing replacement frequency and maintenance costs. And in long-term use.
• HEAVY DUTY - Air Tightness: Using high elasticity and high quality butyl rubber and EPDM rubber, the thickness is increased by 40%, and the air tightness of the inner tube is increased by 200% than that of the ordinary butyl inner tube; After inflation, the tire can maintain a higher air pressure for 6-9 months, greatly reducing the inflation frequency. Good air tightness helps keep tire pressure stable, thus improving driving safety.
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• Installation: 700x35C/43C bicycle heavy duty replacement inner tube for easy installation and removal. Check the valve position to ensure that the installation direction is correct.
• Note: The Presta valve core of this inner tube is not removable.
• Excellent shock absorption ability ：The heavy, strong, highly durable butyl rubber made from these inner tubes is a perfect shock absorber to reduce vibration and eliminate the shock caused by bumps and rough surfaces on the road or pavement. Heavy Duty butyl rubber for maximum ride comfort - upgrade your ride experience.
• We hope to do better in terms of tire quality in order to provide you with better service and satisfactory products. If you have any questions about product quality within a year, you can contact us. You need to provide relevant pictures and information so that we can respond quickly and save you valuable time.
• This heavy duty inner tube is compatible with the corresponding models of mountain bikes, road bikes, Cruiser bikes, electric bikes; At the same time, the increase in thickness can meet the needs of the longer driving range and load of the prevailing electric bicycles.
• Heavy Duty inner tube: 700x35C/38C/40C/43C FV48mm (ETRTO:35/43-622) Heavy duty bicycle replacement inner tube, these inner tubes are ideal for a wide range of applications. Enhanced the ductility of the heavy load tire, so that the scope of application is expanded, Compatible with 700X35C 700X36C 700X37C 700X38c 700X39C 700X40C 700X41C 700X42C 700X43C bike tire tubes.