TRB RC Precision High Speed Ball Bearing Kit, Chrome Steel with Blue Rubber Seals.

Fits: ECX 1/10 Boost, Ruckus, Torment 2WD Models

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

Features:

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

Includes:
Dimensions and Quantity as follows:
ID, OD, Width:

10x15x4mm Qty. 2pcs 6700-2RS-BU
5x10x4mm Qty. 13pcs MR105-2RS-BU

15 Total Ball Bearings