4-8oz Checkered Flag Tire Balance Beads, Zr Compound Tire Balancing Beads, 35x12.50r15 35x12.50r16 35x12.50r17 35x14.50r15 35x14.50r16 35x14.50r17 Free Stem Cores & Caps Tire Beads Processed within 1 business day and shipped FREE Priority Mail 4- 8oz bags of Balancing Beads w/ free cores and caps ECO friendly Ceramic Beads cause ZERO threat to the environment Balance beads provide a smooth ride. Re-balancing the tire from every stop. Extends tire life, preventing cupping. Eliminates the need for spoke or wheel weights that can fall off. SGoogle us for tire balancing charts and get amount of balancing beads needed per tire