hickened inner tube, with elbow valve, suitable for Pro; also compatible with 80/65-6, 255*80, 10*3, 10*2.5 tires; Material:Butyl Rubber; thickened, , good air tightness; can provide very good shock absorption performance; Inflatable inner tube with 90° bent angle valve stem and a cap; Colour:Black Material:rubber Size:24x5cm Package Contents: 2 * inner tube Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.