This is a replacement set of two Arrma BLX 4x4, BLX, BLX EDC and Roller 8x16x5mm Bearings. These high-quality Ball Bearings provide smooth and efficient running on all types of terrain. 
 
Features:
Super-smooth ball-race for fast and consistent operation in all conditions
Manufactured for precise diameter fitting in your ARRMA vehicle
Includes:
(2) Ball Bearing (Size: 8x16x5mm)