This is a 10 pack of 5x10x4mm Revolver Series Bearings.
Bearing Details:
The Revolver series of bearings are superior quality Chrome Steel ball bearings with metal shields on both sides. The Assault Team has put these bearings through the most intense and demanding environments to ensure the best results on the track. We also recommend using the Assault RC B-Lube Bearing Oil (ARC81001)
Dimensions:
Outer Diameter: 10mm
Inner Diameter: 5mm
Width: 4mm