{"product_id":"ar-pro-2-25-2-50-16-inner-tubes-with-tr4-valve-2-pack-for-dirt-bikes-off-road","title":"AR-PRO 2.25\/2.50-16 Inner Tubes with TR4 Valve – 2-Pack for Dirt Bikes \u0026 Off-Road","description":"\u003ch1\u003eAR-PRO 2.25\/2.50-16 Off-Road Inner Tubes with TR4 Valve – 2 Pack\u003c\/h1\u003e\n\u003cp\u003eDesigned for 16-inch motorcycle tires, AR-PRO inner tubes fit rims with a 16\" diameter, an outer tire diameter around 21\", and widths from 2.25\" to 2.50\". This size covers common 70\/90-16, 80\/80-16, 80\/90-16, and 90\/80-16 tires, making it a practical option for dirt bikes, pit bikes, and many off-road machines. The kit ships as a pair, giving you a ready spare or front\/rear combination.\u003c\/p\u003e\n\n\u003ch2\u003eKey fit and performance\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eUniversal 16\" rim compatibility with 2.25\"–2.50\" widths and common tire sizes listed above.\u003c\/li\u003e\n  \u003cli\u003eTwo-pack design supports front\/rear use or a spare for quick swaps.\u003c\/li\u003e\n  \u003cli\u003eTR4 straight valve stems provide a secure seating during inflation and reduce the chance of valve fallout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eValve design and inflation reliability\u003c\/h2\u003e\n\u003cp\u003eTR4 straight valve stems sit centered on the rim and are secured with nuts and washers. This setup helps maintain a consistent seal, especially on relatively low psi motorcycle and ATV\/UTV tires, with a design that minimizes valve drifting during pumping.\u003c\/p\u003e\n\n\u003ch2\u003eRiding comfort and durability\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMade from a natural rubber and butyl blend, delivering durable dampening for rough terrain.\u003c\/li\u003e\n  \u003cli\u003eThicker than average tubes, contributing to stable ride feel when paired with the suspension.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eQuality and compatibility notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eImportant: aftermarket product by CalPalmy (TM); meets or exceeds OEM-style performance in in-house testing.\u003c\/li\u003e\n  \u003cli\u003eFits 16\" rims for dirt bikes, pit bikes, and off-road motorcycles with 2.25\"–2.50\" tires.\u003c\/li\u003e\n  \u003cli\u003eIncludes two inner tubes for convenient replacements without multiple orders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThese AR-PRO tubes offer a practical, non-guaranteed improvement option for riders seeking reliable replacements and predictable performance in off-road settings. They are designed to align with common tire sizes and may complement your bike’s suspension setup when mounted and inflated to recommended pressures.\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: What tires do AR-PRO 2.25\/2.50-16 inner tubes fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit 16-inch rims with 2.25–2.50 inch widths and common sizes like 70\/90-16 and 90\/80-16; suitable for dirt bikes and off-road use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the TR4 valve design and its benefit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The TR4 straight valve is centered on the rim and secured, helping maintain inflation stability on relatively low psi tires.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AR-PRO","offers":[{"title":"Default Title","offer_id":42465647034453,"sku":"B07WM2GZCN","price":27.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ar-pro-225-250-16-inner-tubes-pack.jpg?v=1778016142","url":"https:\/\/plentytorque.co.uk\/products\/ar-pro-2-25-2-50-16-inner-tubes-with-tr4-valve-2-pack-for-dirt-bikes-off-road","provider":"PlentyTorque","version":"1.0","type":"link"}