E-Z Tire Beads - Ceramic Dynamic Balancing 1 Bag of 4 oz Truck Motorhome 4x4 Trailer Motorcycle Includes 1 bag of 4 oz premium ceramic tire beads for Truck/Motorhome/4x4/Trailer/Motorcycle Premium ceramic internal tire balancing beads, durable, re-usable, environmentally friendly. Provides a glass smooth ride, all the time. Dynamically re-balancing tire during every ride. Dramatically extends tire life, preventing cupping. Eliminates the need for unsightly spoke or wheel weights that can fall off. E-Z installation either by adding the beads during the tire mounting process or using a valve core application kit, sold seperately.