Ultralight Bike Inner Tube Road Material Tire 45mm 65mm 85mm Length Feature: 1.The weight of the bicycle inner tube is only 30 grams, which is about 100 grams less than the traditional butyl rubber inner tube, a pair of which can save 200 grams, reduce the burden on the bicycle, and make the ride lighter 2.The bicycle inner tube adopts a special TPU material, which also greatly improves the durability compared with the traditional rubber inner tube In addition, the TUP material is oil and water resistant, and has excellent load-carrying capacity and impact resistance 3.Because the TPU bike inner tube is only 30g, it will be lighter and more delicate than the ordinary 300g rubber inner tube, and the friction force generated on the tire is small, which can achieve the maximum speed and performance 4.Three times strengthened seal, not easy to be damaged, and material nozzle connection, after more than 2,000 times of testing, even if you pull hard, it will not leak. Specification: Material: TPU and plastic air nozzle Valve: FV 45 or 65 or 85mm Color: light green Weight: approx. 30g Suitable for: Road Bicycle 700X18 or 23 or 25 or 28 or 30 or 32C-622 (Recommended range of application) Available for rim and disc brake bikes Suitable for road bikes with 18-32mm tire width. Reduced rolling resistance Package Included: 1xTPU Inner Tubes Note: 1. Due to manual measurement, please allow 1-3mm error. Please make sure you don't mind before ordering. 2. Please allow 1-3 grams weight error. Please make sure you don't mind before ordering. 3. Due to different lighting of photos and differences in monitors, the pictures may not reflect the actual color of the object. Please make sure you don't mind before ordering, thanks! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.