Mini 4WD 13mm Dia. Roller Ball Bearings (2pcs.)

Make sure that your rollers are running at top efficiency by fitting them with these ball bearings. Made from steel, they will provide smooth progress along the track, in conjunction to superior reliability.

Includes:

• 13mm Ball Bearings x2
  
• 2x8mm Screws x2
  
• Spacers x4