2 Pack 20 x 4.0 Fat Tire Tube Schrader Valve, Puncture Proof Bike Tubes for 20 x 4 Bicycle Tire, Butyl Rubber Inner Tube for EBike/Electric Bike/Mountain Bike

Size: 27.5 inch bike tube fits 27.5" x 1.75 / 2.125 bike tires (27.5" x 1.75 / 27.5" x 1.9 / 27.5" x 1.95 / 27.5" x 2 / 27.5" x 2.1 / 27.5" x 2.125), suitable for most mountain bikes on the market.

• Size: 32mm Schrader valve. Replacement bike tube for 20" x 4.0 fat tire bikes, mountain bikes, electric bicycle, electric motorcycle and electric tricycle.
• Easy to Install: The package comes with 2 levers. It prevents your fingers from getting caught in the tire and helps you easily remove the old inner tube and install the new one in a few minutes.
• More Durable: Our 20x4 bike tube is made of high-quality butyl rubber material with good heat resistance and air tightness. And each bike tire tube has passed strict quality inspection to ensure that it can be used for a long time.
• Comfortable Riding: 20x4.0 Fat tire tube can absorb the impact on bumpy roads, adding comfort to your riding. Please note that before purchasing, please check sidewall markings on your tire and choose the correct size according to the markings.
• Accompany you: We adhere to the principle of customer first. If you have any problems, please feel free to find us through Amazon message, we will provide you with solutions in time!