Upgrade your off-road bike with the IRC T20052 Heavy Duty Tube, designed specifically for tire sizes 4.00/5.10 17. This high-quality tube is crafted to meet or exceed OEM quality standards, ensuring reliability and durability on rugged terrains. Engineered with a blend of natural and butyl rubber, it provides excellent flexibility and resistance against wear and tear. The IRC T20052 features a robust 3mm thickness, making it puncture resistant and perfect for demanding riding conditions. Whether you're navigating through rocky trails or bumpy roads, this heavy-duty tube offers the peace of mind you need for an enjoyable ride. Trust IRC for top-notch performance and reliability in every adventure you undertake. Features: * High quality tubes meet or exceed OEM quality standards * Heavy Duty tubes are 3mm thick and puncture resistant * Made of a blend of natural and butyl rubber