2-Pack TPU Bike Inner Tube 700C x 18-32C with Metal Presta Valve, Ultralight Road Bike Tube, Puncture-Resistant Bicycle Tube for Road, All-Road & Gravel Bikes 2pcs 700X18-32C 45mm Metal Valve

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Upgrade your cycling experience with these ultralight TPU inner tubes designed for 700C road, all-road, and gravel bikes. Each tube weighs a mere 30 grams, significantly lighter than traditional butyl tubes, helping reduce rotating mass for improved performance. Compatible with tire widths from 18C to 32C, these tubes feature durable metal Presta valves available in three lengths - 45mm, 65mm, and 85mm - to accommodate various rim depths. The advanced TPU (Thermoplastic Polyurethane) construction offers excellent puncture resistance while maintaining superior air retention. This 2-pack ensures you always have a spare tube ready for your rides. Perfect for cyclists seeking to optimize their bike's performance without compromising reliability. These tubes combine lightweight construction with durability, making them an excellent choice for both training and racing applications.