RideNow Fat Tire Bike Inner Tubes 1-Pack, 20"/24"/29" x2.8-5.0 TPU Inner Tubes with 45mm Presta Valves, Lightweight & Puncture Resistant Bicycle Inner Tube(Include Bike Tube Patch Repair Kits)

Features

• 【Ultra-light Inner Tube】Made of thermoplastic polyurethane elastomer material (TPU), reduce weight, 70% lighter than the old butyl rubber inner tube. Makes it easier to carry and more sensitive to acceleration.High and low temperature resistance, can better maintain stable tire pressure
• 【Strong and Puncture Resistant】It is made of TPU material, which has good puncture resistance, and uses one-piece manufacturing technology with only one circle of interface for the air nozzle attachment, reducing the chance of trachoma
• 【Enhanced Air Tightness】The internal design of the air rod is optimized to make it more airtight. The application of the valve pad rubber effectively reduces the friction between the tire tube and the rubber pad
• 【Fits Multiple Tire Sizes】This fatbike series Inner Tube is compatible with many tire sizes: 20"/24"/29" & 2.8-3.8/3.8/5.0 (Includes Bike Tube Patch Repair Kits)
• 【Proper Inflation Instructions】To prevent irreversible damage, avoid overinflating the inner tube when not installed in the tire. When installing, start with an initial inflation of 0.5 PSI, ensuring that the inner tube adheres closely to the tire's inner wall