Ujjdwiurgh For 700C Road Bike Tire Inner Tube 30g 700X18/23/28/32c Ultra-Light TPU Inner Tube

[Compatible with multiple tire sizes] This 700C road bike inner tube is compatible with a variety of tire sizes: 30g 700X18/23/25/28/30/32c [Wear- and ] The bicycle inner tube is made of special TPU material, which is also much more than traditional rubber inner tubes. In addition, TUP material is oil- and waterproof, and has excellent load-bearing capacity and impact resistance. [Ultra-light] The bicycle inner tube weighs only 30g , which is about 100 grams lighter than the traditional butyl rubber inner tube. A pair can save 200 grams, reducing the burden on the bicycle and making riding easier. [Reduce rolling resistance] Since the TPU bicycle inner tube weighs only 30 grams, it is lighter and more delicate than 300-gram rubber inner tube, and the friction on the tire is smaller, which can maximize speed and performance.