Yeah Racing YB0325BX RC PTFE Bearing Set w/ Bearing Oil : Element Enduro

Feature:
RC Ball bearings should always be your first upgrades, it reduces friction for less rolling resistance, and that means higher speed and longer the running times. RC Ball bearings hardly require maintenance and last a lot longer than stock Oilite bushings.

Yeah Racing RC Ball Bearings have the lowest resistance. They are manufactured by Aircraft quality steel. Pre-lubricated to ensure its excellent performance!

These high quality bearings outweigh the other low quality one:

Aircraft quality material
More durable
Higher precision
Specification:
Material: Metal
Shielding: Rubber

Include:
Bearing (24 pcs)
-6013B 5x10x4 14pcs
-6501O 7x14x3.5 4pcs
-6023B 10x15x4 6pcs
-YA-0215 1pc