FUSHI RC Precision Ball Bearing Kit, ABEC 3 Chrome Steel with Blue Rubber Seals.

Fits: Tamiya TT-02

Features:

*Chromium Steel 52100 (GCr15) Precision Races
*Chrome Steel 52100 (GCr15) Balls
*Rubber Seals to Help Fight Dirt
*Great Quality & Value For Applications

Includes:
Dimensions and Quantity as follows:
ID, OD, Width:
8x12x3.5mm MR128RS-BL 4PC
5x11x4mm MR115RS-BL 4PC
5x10x4mm MR105RS-BL 8PC
16 Total Ball Bearings

Note: Due to Manufacture model updates always verify your model sizes for proper application.