When looking to purchase a new drum or hub for your trailer, you need to be sure of your PCD wheel stud measurement as well as the manufacturer and size of your brakes. To find the measurements of your brakes you need to measure the inner diameter of your brake drum and the width of the brake shoe. The inner diameter of the drum could be any of the following measurements; 160, 200, 203 or 250mm and the brake shoes could be; 35, 37, 40, 50, 51 or 60mm. All of our brake drums / hubs that we stock are available in different PCD measurements and series that are suitable for varying sizes of brakes. If you cannot find the trailer brake drum / hub that you require, please call 01909 473749.