Yeah Racing YB0316BX RC PTFE Bearing Set w/ Bearing Oil : Tamiya WR-02CB

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.

High quality materials used
High durability
Tight Tolerances
Specification:
Material: Rubber Shield

Include:
YB6014 5x11x4mm(16pcs)
Bearing Oil (15ml) #YA-0215 (1 pc)