Introducing the 2-Pcs Heavy Duty Bike Tubes, designed specifically for cyclists who demand reliability and performance. These inner tubes are compatible with a wide range of tire sizes, including 700x25C, 700x26C, 700x27C, 700x28C, 700x29C, 700x30C, 700x31C, 700x32C, 700x33C, and 700x34C, making them a versatile choice for various bicycle models.

Constructed from high-quality butyl rubber, these tubes feature exceptional air tightness, heat resistance, and durability. The robust material ensures that each product undergoes rigorous screening before reaching you. Thus, you can be confident in your purchase.

One of the standout features of these inner tubes is their new upgraded thicker design, which is 30% heavier than standard tubes available on the market. This enhancement contributes to a more durable product that can withstand the rigors of regular biking.

Additionally, the excellent shock absorption ability of these heavy-duty tubes serves to enhance your riding experience. The highly durable butyl rubber effectively reduces vibrations and mitigates shocks caused by bumps and uneven surfaces. As a result, you can enjoy a smoother, more comfortable ride, no matter the terrain.

Installation is straightforward with the 700×25/34C bicycle heavy duty replacement inner tube. Simply check the valve position to ensure that the installation direction is correct. For optimal performance, it’s advisable to inspect the inner tube before installation. Submerge the inner tube in water; if bubbles appear, it indicates potential damage. Should you encounter any issues, our customer service team is ready to assist.

We take pride in offering 100% product quality assurance. Our commitment to improvement is constant, and we value feedback from our customers. If you experience any problems within one year of purchase, please reach out to us with evidence and descriptions of the issue. We aim to respond promptly and efficiently, saving you valuable time.

Note that this product features an AV48mm valve, which is larger than the presta valve. Ensure your bicycle is compatible before purchasing. Should you find any issues with fitting, do not hesitate to contact our customer service team for assistance or to return the product for an exchange.