{"product_id":"3pcs-3pcs-valve-extension-45-90-135-angle-bend-valve-adapter-tire-stem-extension-stem-extender","title":"3Pcs Valve Extension 45°, 90°, 135° Angle Bend Valve Adapter Tire Stem Extension Stem Extender","description":"\u003cp\u003eProduct Overview\u003cbr\u003eThe valve stem extension tube is an inflation aid specifically designed for American-style valve stems (American-style valves), making it particularly suitable for tyres with deep rims and limited working space. Crafted from solid copper, it offers excellent sealing properties and resistance to ageing. Available with a variety of elbow angles (45°, 90°, 135°), it makes inflation more flexible and effortless.\u003c\/p\u003e\n\u003cp\u003e✅ Includes cap and valve core\u003cbr\u003e✅ Thickened tube body for burst and crack resistance\u003cbr\u003e✅ Universal fit for American-style valves; plug-and-play\u003c\/p\u003e\n\u003cp\u003eWhy choose a valve stem extension tube?\u003cbr\u003eDuring routine tyre inflation, the valve stem position on some rims or equipment is deep or at an awkward angle, making it difficult for standard inflation nozzles to connect directly. The Hongshun Automotive Maintenance extension tube effectively extends the inflation connection point, making the inflation process smoother. It is particularly suitable for:\u003cbr\u003eTires on deep-dish rims\u003cbr\u003eAgricultural vehicles, trailers, motorhomes\u003cbr\u003eRear wheels of motorcycles and electric vehicles\u003cbr\u003eConstruction machinery tyres\u003c\/p\u003e\n\u003cp\u003eProduct Specifications and Models\u003cbr\u003eModel    Angle    Total Length    Elbow Length    Connector Diameter    Material\u003cbr\u003e45° Extension Tube    45°    3.9 cm    1 cm    0.9 cm    Pure Copper\u003cbr\u003e90° Extension Tube    90°    4.4 cm    1 cm    0.9 cm    Pure Copper\u003cbr\u003e135° Extension Tube    135°    4.4 cm    1 cm    0.9 cm    Pure Copper\u003cbr\u003eAll models are compatible with American-style valve stems (American-style valves), including valve cores and dust caps.\u003c\/p\u003e\n\u003cp\u003eKey Selling Points (SEO keywords embedded)\u003cbr\u003e🔩 Pure copper body, high strength and resistant to ageing\u003cbr\u003eThe body is made of pure copper, which is corrosion-resistant and high-pressure-resistant. It is less prone to brittle fracture during long-term use and offers more stable performance.\u003cbr\u003e🛡️ Burst-proof and crack-resistant, with a thickened tube design\u003cbr\u003eThe thickened tube walls can withstand high-pressure inflation environments, avoiding the risk of bursting caused by sudden pressure surges.\u003cbr\u003e🔄 Multiple angles available to suit different wheel rims\u003cbr\u003eOffers three elbow angles: 45°, 90° and 135°, providing flexibility for various valve positions and allowing inflation without removing the tyre.\u003cbr\u003e🧰 Includes cap and valve core – ready to use\u003cbr\u003eSupplied with a dust cap and American-style valve core, ensuring a tight seal. Once fitted, it can be used long-term without removal.\u003c\/p\u003e\n\u003cp\u003eInstructions (3 simple steps)\u003cbr\u003eUnscrew the original dust cap from the valve\u003cbr\u003eScrew the extension tube firmly onto the valve (the valve core is included)\u003cbr\u003eConnect to an air pump to inflate\u003c\/p\u003e\n\u003cp\u003e💡 Tip: We recommend checking the connection for leaks with soapy water after installation.\u003c\/p\u003e\n\u003cp\u003eSuitable for\u003cbr\u003eCar, motorbike and electric vehicle tyres\u003cbr\u003eTrailers, motorhomes and ATVs\u003cbr\u003eAgricultural machinery and construction vehicles\u003cbr\u003eDeep-groove rims and dual-mounted tyres\u003c\/p\u003e\n\u003cp\u003eProduct Contents (per unit)\u003cbr\u003eOne each of 45°, 90° and 135° adapters (3 in total)\u003c\/p\u003e\n\u003cp\u003eWhy Choose Us?\u003cbr\u003eSpecialists in automotive maintenance tools with years of manufacturing experience\u003cbr\u003eMade from solid brass – no cheap alloys\u003cbr\u003ePrecise angles, compatible with mainstream American-style valves\u003cbr\u003eBurst-proof and crack-resistant, safe and reliable\u003c\/p\u003e\n\u003cp\u003eFrequently Asked Questions (FAQ)\u003cbr\u003eQ: Do I need to remove the tyre to install this?\u003cbr\u003eA: No, simply screw it onto the existing valve stem.\u003c\/p\u003e\n\u003cp\u003eQ: Is it suitable for all American-style valve stems?\u003cbr\u003eA: Yes, it is specifically designed for American-style valve stems and offers excellent versatility.\u003c\/p\u003e\n\u003cp\u003eQ: Will it leak air with prolonged use?\u003cbr\u003eA: No, the product features a solid brass body and a high-quality sealing structure, ensuring excellent sealing performance.\u003c\/p\u003e","brand":"dinoinbox","offers":[{"title":"Default Title","offer_id":47705023938714,"sku":"MH02399","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8748\/7130\/files\/ScreenShot_2026-04-05_111911_152.png?v=1775359164","url":"https:\/\/www.dinoinbox.com\/products\/3pcs-3pcs-valve-extension-45-90-135-angle-bend-valve-adapter-tire-stem-extension-stem-extender","provider":"dinoinbox","version":"1.0","type":"link"}