2 Pack Ultralight TPU Bike Inner Tubes 28“ 700X18C/23C/25C/28C/30C/32C/35C/38C/40C/42C/45C Presta Valve 60mm with Repair Kit for Road Bicycle Tire Refined title: 2 Pack Ultralight TPU Bike Inner Tubes with Presta Valve 60mm for Road Bicycle Tire

【Ultra-light】Made from premium TPU material, the 700x18/25c TPU inner tube weighs only 40g, reducing weight by 75% and enhancing the performance of your bike.

【Puncture Resistance】Due to its high elasticity and material strength, TPU inner tubes are highly puncture-resistant compared to butyl rubber ones, effectively decreasing the probability of tire puncture and allowing safe riding on any terrain.

【Convenient and Portable】78% smaller than traditional butyl inner tubes, the TPU inner tube is compact and easy to store in your pocket or saddle bag, providing added convenience during your riding adventures.

【Reduce Rolling Resistance】TPU inner tubes, made of thermoplastic polyurethane, are lighter and more flexible compared to butyl inner tubes, reducing overall bike weight and lowering rolling resistance.

【Repair Kit Included】For swift and durable repairs, TPU inner tubes require specific patches. The included repair kit contains 8 patches, 8 alcohol pads, and 1 glue, ensuring user-friendly and proper patching.

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