Size: 48mm Presta Valve. 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.
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 27.5 mountain bike tube is made of high-quality butyl rubber material with good heat resistance and air tightness. And each inner tube has passed strict quality inspection to ensure that it can be used for a long time.
Comfortable Riding: 27.5 bike 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.
Quality Service: We adhere to the principle of customer first. If you have any questions about our products or services, please feel free to contact us through Amazon message, we will provide you with solutions in time.