Features: *The TPU inner tube improved puncture resistance, light weight and more compact when folded. The weight is 24g (float up and down 3g). *Our inner tube reduced rotation mass where there are more wheelsets, more responsive acceleration and resulting improved handling and climbing speed. *Three times reinforced seal for the easily damaged and irreparable nozzle connection, which is more secure. *The tube is made in entirety, with no long seams around the circumference of the inner tube,There is only a ring of joints around the vaIve,Reduces the possibility of air leakage. *Resistant to high and low temperatures, stable tyre pressure ensures your safety when going downhill. Specifications: *Product Name:Ultralight TPU Inner Tube *Material:TPU *Size: 20×0.9-1.5 / 20×1.75-2.5 / 20×1.9-2.5 Inner Tube. 45 mm / 65 mm Presta Valve *Color:Blue Package Content: Inner Tube*1 Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Compatibility - Ultralight TPU Inner Tube 20×0.9-1.5/20×1.75-2.5 with 45mm/65mm Presta Valve Good Performance Materials - These bike accessories are made of premium material, ensuring their durability and long-lasting performance. Optimal Performance - These accessories offer versatility and adaptability to different cycling needs and provide optimal performance and reliable functionality enhance the riding experience and ensure safety. Easy Installation - These accessories can be easily installed on your bike to get your bike running again. After-sale Serive - We provide high quality products, if there is any problem with our product, please contact us.