{"product_id":"inner-tube-chaoyang-20x4-0-4-9-for-electric-bike-engwe-engine-pro-3-0-boost","title":"Chaoyang Inner Tube 20 x 4.0\/4.9 for Engwe Engine Pro 3.0 Boost Electric Bicycle","description":"\u003ch2\u003eChaoyang Inner Tube 20 x 4.0\/4.9 for Engwe Engine Pro 3.0 Boost Electric Bicycle\u003c\/h2\u003e\n\u003cp\u003eThis Chaoyang inner tube is specifically designed for the Engwe Engine Pro 3.0 Boost electric bicycle, fitting tires with a nominal diameter of 20 inches and widths ranging from 4.0 to 4.9 inches. It serves as a direct replacement for a damaged or worn inner tube, helping to restore reliable air retention and proper tire function.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features and Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExact Fit:\u003c\/strong\u003e Designed for the Engwe Engine Pro 3.0 Boost electric bicycle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Compatible with 20-inch diameter tires, suitable for widths between 4.0 and 4.9 inches.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Features a Schrader valve (also known as an American valve), which is 32mm long and angled.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e The inner tube has an approximate outer diameter of 550mm and an inner diameter of 400mm when uninflated. Its width is approximately 60mm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e The net weight of the inner tube is approximately 0.38 kg.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eChoosing the Correct Inner Tube\u003c\/h3\u003e\n\u003cp\u003eTo ensure correct fitment, always verify the dimensions marked on the sidewall of your existing tire. Look for markings such as \"20 x 4.0\" or \"20 x 4.9\". While this inner tube is compatible with the Engwe Engine Pro 3.0 Boost, checking your tire's specific markings is crucial, especially if you have aftermarket tires.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation and Safety Guidance\u003c\/h3\u003e\n\u003cp\u003eWhen installing the inner tube, follow these steps to prevent damage and ensure safe operation:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect the Tire:\u003c\/strong\u003e Before installation, carefully check the inside of the tire for any sharp objects, debris, or damage that could puncture the new tube.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSlightly Inflate:\u003c\/strong\u003e Inflate the new inner tube slightly before inserting it into the tire. This helps it hold its shape and prevents pinching during installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeating:\u003c\/strong\u003e Ensure the inner tube is evenly seated within the tire casing and that the valve stem is properly aligned with the valve hole in the rim.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInflation:\u003c\/strong\u003e Inflate the tire gradually, checking that the tire beads are properly seated on the rim. Do not exceed the maximum pressure recommended on your tire's sidewall.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePost-Installation Check:\u003c\/strong\u003e After inflation, visually inspect the tire and rim for any bulges or uneven seating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you are unsure about the installation process, it is recommended to seek assistance from a qualified bicycle mechanic.\u003c\/p\u003e","brand":"ULIP","offers":[{"title":"Default Title","offer_id":64137540469113,"sku":"ULP2842.00","price":19.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/7076\/1337\/files\/chaoyang-inner-tube-20x4-0-4-9-for-engwe-engine-pro-3-0-boost-electric-bicycle-01.webp?v=1785602470","url":"https:\/\/www.evolt.eu\/cs\/products\/inner-tube-chaoyang-20x4-0-4-9-for-electric-bike-engwe-engine-pro-3-0-boost","provider":"eVolt.eu","version":"1.0","type":"link"}