This is a replacement set of Lumenier 9x4x4mm Stainless Steel Ball Bearings. These are the same premium bearings found in the Lumenier 2207-7 2700KV JohnnyFPV Motor. It can fit other motors as well that use a 4mm shaft, and have a 9mm wide bearing hole.
Includes
- 2x Lumenier 9x4x4mm (OD, ID, Height) Ball Bearings