M4x15 Titanium Screw Button Head 35x47x7mm | 6807 This ball bearing kit contains

This ball bearing kit contains the following ceramic bearings

The "6800" designation signifies the specific size and dimensions of the bearing

ACER Racing's hot new Capricorn LAB C801 Ceramic Ball Bearing Kit contains the following ceramic ball bearings:

These are from our Ceramic Nitride Pro Series line of world champion bearings

This combines with the 3 by 3 battery layout to produce optimal weight distribution and results in ideal surface pressure from the tires for effective traction and sure-footed turning

M4x15 Titanium Screw Button Head 35x47x7mm | 6807 This ball bearing kit containsTitanium Screw 4x15 mm ISO 7380 Button Head Hexagon Socket . 7 thread pitch price is for 4 pieces