Upgrade your road biking experience with the Thinvik TPU Inner Tube, specifically designed for the popular 700cc x 18-32c bicycle tires. Made from high-quality synthetic thermoplastic elastomer (TPU), this tube provides exceptional durability and resistance to punctures.

With its unique inner construction, the TPU tube is able to withstand even the toughest conditions on the road bike trail. The extra-long 65mm length ensures that you have ample space for a spare tire, making it easy to replace in case of a flat or puncture. Whether you're tackling long rides or racing through challenging terrain, this tube will help you maintain your speed and performance.

The TPU tube is also designed with the modern cyclist in mind, featuring a unique valve design that makes installation and maintenance a breeze. Plus, it's built to last, with a high-quality construction that resists wear and tear over time.

Whether you're an experienced road biker or just starting out, this upgraded tube will help take your riding to the next level. With its exceptional durability and reliability, you can focus on enjoying the ride rather than worrying about getting caught up in maintenance issues.