TWO (2) New Grader/Earthmovers Inner Tube (BIAS) : Size: 13.00/14.00-24/25,Heavy Duty Inner Tube, Valve: TR220A Valve: Two piece air/liquid type valve for rear grader applicatons. The length is 2.This inner tube is not for use in Radial Tire.We also have this inner tube on Radial. Send us an email. In addition we have over 60 Farm Bias/Radial Inner tube sizes. So if you need a different size just email us.Any question emai us. Inner Tubes are ship via UPS Ground.