... inner tube are good quality.(1)Variety size & tire pattern (2) High Abrasion Resistance Tread, Strong tire frame ensure safety, ... inner tube14x1.75/2.125,16x1.75/2.125,18x1.75/2.125,20x1.75/2.125,22x1.75/2.125,24x1.75/2.125,26x1.75/2.125, 28x1.75/2.125, 24x1 3/8 ... , 24x1 3/4, 26x1 3/8, 26x 1 3/4, 26x2x1 3/4, 28x1 1/2 ... Person:Mr.David Ma bicycle inner tube 26X1.75-2.125