This is a pair of 12x18x4mm ball bearings for the Arrma Nero Monster Truck.
- Premium ball raced bearings for incredibly smooth operation
- Precision manufactured for quick and easy fit
- Manufactured using tight tolerances for safe and secure assembly operation
- Double steel protective shields for added durability
Inner Diameter: 12mm
Outer Diameter: 18mm
2x 12x18x4mm Ball Bearings