The CALPALMY 700×20-25C and 700×35/43C Inner Tubes are designed to elevate your cycling experience, ensuring smooth rides and enhanced durability. This comprehensive 6-pack offers high-quality butyl rubber tubes, specifically engineered to fit a range of tire sizes from 700x35c to 700x43c, which are suitable for tires with a diameter of 28 inches. With these tubes, cyclists can confidently tackle any terrain, whether on mountain trails or smooth roads.

The superior construction of these inner tubes provides excellent puncture resistance, significantly reducing the likelihood of flats during your rides. Enjoy peace of mind knowing that these heavy-duty tubes are built to withstand rigorous use, making them ideal for not just mountain bikes but also road bikes and hybrid models.

Included with your purchase are two tire levers, a handy tool that simplifies the process of removing and installing tires and inner tubes. These levers are essential for both experienced cyclists and beginners, allowing for quick changes and adjustments to your bike. The package also includes valve stem tools compatible with both Presta and Schrader valves, enabling you to deflate the inner tubes in seconds.

Inflating the inner tubes is straightforward, thanks to the 48mm Presta valve stem. This robust valve design not only withstands higher psi but also offers a secure fit with a shearing-resistant reinforced rubber base, ensuring that your tires remain inflated and reliable throughout your rides. Whether you’re commuting, racing, or enjoying a leisurely ride, these inner tubes will provide the performance you need.

In summary, the CALPALMY 700×20-25C and 700×35/43C Inner Tubes are the perfect replacement tubes for your biking needs. With their high-quality materials, puncture-resistant features, and user-friendly design, these tubes are a must-have for any cycling enthusiast. Equip your bike with these reliable inner tubes and experience the difference in your rides.