2-Pack WHEELO MTB 29x2.1/2.5 Bike Inner Tube, Ultralight Bike Tube with 48mm Presta Valves for Mountain Bike (Include Bike Tube Patch Repair Kit) Orange

Additional Details from the Manufacturer

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More features

• [Featherweight and Durable]: Crafted using advanced Thermoplastic Polyurethane (TPU) technology, these tubes weigh a mere 80g, striking the perfect balance between durability and lightweight design.
• [Fits multiple tire sizes]: Choose from 48mm Presta valve lengths to suit your bike rim, This MTB bike tube is compatible with many tire sizes:26"/27.5"/29"×2.1/2.5.
• [Compact and Portable]: With a 70% reduction in weight compared to traditional inner tubes, this bike tube only 80g is incredibly compact and easy to carry.
• [Enhanced Performance]: TPU inner tubes are lighter, reducing rolling resistance for improved speed and performance. They are oil-resistant, waterproof, and offer excellent load-bearing and impact resistance.
• [Inflate Notice]: Inflate slightly with a pressure of 5psi(0.4 bar) before installation. After installing the tire, follow the tire pressure calibration.