20*1.5 butyl inner tube 1. material: butyl rubber 2.Various size & pattern 3.A/V, E/V, F/V,D/V are all available 20*1.5 butyl inner tube 1. Material: 1) butyl rubber tube 2) Valve: A/V; E/V; F/V2. Packing :1) 1PC/polybag, 50 PCS/ 100 PCS/woven bag2) 1PC/color box, 50PCS/carton3. Various size:10*1.75*210*212X2.125; 14X2.125; 16X2.125; 18X2.125; 20X2.125; 24X2125; 26X2.125. 12*1 /2*2 1/412X1.75; ...