14oz (397gm) BAG of 4mm dia. PREMIUM ABC TYRE BALANCING BEADS Size:1 Bag ABC Beads automatically reposition themselves ABC Beads automatically reposition themselves according to the new force created by heavy spots due to mud build up on tyres and rims ABC Beads last the life of the tyre and are easily installed at a fraction of the cost of unsightly lead weights mounted on the outside of the tyre rim which can damage custom wheels and also work themselves free ABC Beads automatically reposition themselves according to the new force created by heavy spots due to mud build up on tyres and rims ABC Beads use the centrifugal forces developed by the rotation of the wheel assembly to move freely inside of the tyre