- PRECISE SIZE & COMPATIBILITY: Includes 2 packs of 2.50/2.75-10 (also fits 80/90-10) dirt bike inner tubes. Specifically engineered as replacement parts compatible with 49cc, 50cc, and 70cc mini dirt bikes. Directly fits models compatible with Honda CRF50/XR50, Yamaha PW50/TTR50, Suzuki DRZ70/JR50, and Razor MX650/MX500.
- 1.6MM THICKENED BUTYL RUBBER: Manufactured from 1.6mm heavy-duty butyl rubber. This high-density material structure provides structural integrity and impact absorption on rough off-road terrains, offering a solid physical barrier against external elements.
- REINFORCED TR4 VALVE STEM: Equipped with a straight TR4 valve stem featuring a thickened valve seat base. This reinforced construction is designed to withstand pressure at the stem base, maintaining stable airtightness for off-road environments.
- PUNCTURE RESISTANT DESIGN: Built for demanding riding conditions across different terrains. The thickened butyl construction provides a physical defense against sharp objects and gravels, minimizing the risk of flat tires for youth and kids on dirt tracks.
- DIRECT REPLACEMENT INSTALLATION: Package contains 2 individual inner tubes ready for straightforward installation. Designed to directly replace old or flat tubes without complex modifications. Please verify your existing tire sidewall for the 2.50/2.75-10 or 80/90-10 marking prior to mounting.



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