2Pcs 20in X 1.75/1.95/2.125 Schrader Valve Inner Tubes Bike Tubes

Feature: \n 1. \n2. \nTwo New 20\"" x 1.75 to 2.125 Schrader Valve Bicycle Tubes. \n3. \nBulk packaged, no retail packaging is included. Standard 0.85mm thick butyl tube. \n4. \n32mm Schrader (Regular) Valve / Removable Core.\n5. \nFits 20\"" bike wheels and 20\"" upright bicycle wheels. \n6. \nImportant note for inflating any brand of tube: When replacing the inner tube of a bicycle, carefully check the inside of the outer tube for foreign objects, and ensure that the inner tube is completely placed inside the outer tube. After installation, inflate a little to ensure that the inner tube is completely installed in the outer tube. Once filled, do not inflate it tightly, so it is easy to burst the tire. \n\nSpecification: \nLabeled Size: 20 x 1.75/2.125 \n\nValve Type: Schrader Valve \n\nValve Length: 32mm (standard bicycle tire Schrader valve length) \n\nTube Compound: Butyl \n\nTube wall thickness: 0.85mm \n\nWeight: about 132g \n\nNot: