This Tacx trainer tire is specially designed for use on a trainer. Due to the unique rubber composition of the tire, it will wear much less quickly than a regular tire and it will make less noise. In addition, you minimize the chance of overheating and slipping. The stable tire pressure of a trainer tire ensures that the power is correctly measured by your VR or ergotrainer. The Tacx Trainer tire Race T1390 is suitable for 28 inch racing wheels.