1Pcs Ultralight 28g Bike TPU Inner Tube 700X18 25 28 32 Road Bicycle TPU Material Tire 45mm/65mm/85mm Length French Valve

Material : TPU Product name : Tpu ultra-light inner tube Weight : 19G/28G/36G Box size : about 4x3x13.5cm Features : small size/light weight/high flexibility Valve length : 45mm/65mm/85mm Note：

When not fitted to the outer tyre it must not beheavily inflated.Otherwise irreversible damage will occur!Before fitting, pleaseslightly inflate the tyre to check for leaks! When mounting, inflate the tyre by 0.5Psl first.Make sure the inner tube is pressed against theinner wall of the tyre and then press to adjust the tube. Inflating more than 6psi empty willresult in an unrepairable swell.Remember to never exceed 6psi when pumping empty.