... quality.(1)Variety size & tire pattern (2) High Abrasion Resistance Tread, Strong tire frame ... 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 ... 300-8, 90/90-18, 250-18, 70/90-17, 60/100-17, 80/90 ... 145-10, 130/70-12 etcContact Person:Mr.David Ma bicycle inner tube 26X1.75-2.125