JFOYH 2/4 Pack TPU Road Bike Inner Tube 700C x 18–32, 2-Pack Ultralight Bicycle Tube with 45mm / 65mm / 85mm Presta Valve, Compatible with Road & Gravel Bikes

• 【Wide Size Compatibility for Road & Gravel】Designed for 700C tires from 18mm to 32mm (18C–32C), this TPU inner tube fits most modern road and gravel bikes. Compatible with both rim brake and disc brake wheelsets for versatile use across different riding setups.
• 【Advanced TPU Material – Ultralight & Durable】Made from high-performance TPU, this inner tube is up to 70% lighter than traditional butyl rubber tubes. It reduces rotating mass for quicker acceleration while offering better air retention and improved puncture resistance compared to latex tubes.
• 【 Multiple Presta Valve Length Options】Available with 45mm, 65mm, or 85mm Presta valves, allowing proper fit for shallow, mid-depth, and deep-section rims. Ideal for climbing, racing, and fast-paced riding where weight savings and responsiveness matter.
• 【Extremely Lightweight – Approx. 50g Per Tube】Weighing only around 50 grams, this TPU tube can save up to 100g per wheel compared to standard rubber tubes. Less rotational weight means smoother handling, faster climbs, and a more responsive ride feel.
• 【Easy Installation with Clear Guidelines】Simple to install when handled correctly. Slightly inflate before mounting (max 0.5 PSI) and never exceed 5 PSI outside the tire to prevent damage. Includes a clear instructions for confident setup.

This TPU road bike inner tube is designed for riders looking to reduce weight without compromising reliability. Compatible with 700C tires ranging from 18mm to 32mm, it suits a wide variety of road and gravel bike setups, including both rim brake and disc brake systems. Constructed from advanced thermoplastic polyurethane (TPU), the tube is significantly lighter than traditional butyl rubber while offering improved air retention and durability. By reducing rotational weight, it helps deliver quicker acceleration, better climbing efficiency, and a more responsive ride feel—especially noticeable during long rides and fast-paced efforts. Multiple Presta valve lengths (45mm, 65mm, and 85mm) are available to match different rim depths, ensuring proper valve engagement and easy inflation. Each tube weighs approximately 50 grams, making it an excellent choice for weight-conscious riders and performance-focused builds.