Yeah Racing YB6048B/S10 RC PTFE Bearing 15x21x4mm (10pcs)

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:
Yeah Racing RC PTFE Bearing (5x10x3mm)
Material: Metal

Include:
Bearing (10Pcs)