Our ceramic balls are made of solid Silicone Nitride (Si3N4), not coated nor anodized. Excellent in making a prefect diff. Misuse of diff grease could cause weird diff adjustment. Please only use Team Associated ball diff greases. Notice that static electricity could cause them to be magnetic.

SPECIFICATIONS

Diameter : 3.5mm

Grade : 5

Material : Silicon Nitride (Si3N4)

Includes 10pcs of ceramic balls per pack, using aftermarket parts is always at your own risk.