plastic granulate for vibration damping and balancing truck tires Place the specific bag in the tire before the final assembly. The EQUAL FLEXX bag will not open until the tire is securely seated on the rim. The powder then moves freely inside the tire, where it permanently ensures optimal balancing and smooth running throughout the tire's service life. It is 100% compatible with tires and rims. Rebalancing is not required for the entire service life of the tire. Application is simple, time-saving and environmentally-friendly. suitable for tire pressure sensors